switch
switch off
1. (用开关)关掉
Be sure to switch off the light when you leave the office.
你离开办公室时务必把灯关掉。
switch on
1. (用开关)开启; 用开关接通电流
Switch on the recorder, please.
请打开录音机。
习惯用语be switched on1.■赶时髦; 赶浪头; [美俚](因喝酒或服麻醉品而)处于兴奋状态fall asleep at the switch1.■玩忽职守, 错过机会; 漫不经心I'll be switched (if you do).1.■[美口][表示否定、惊讶](你要是能的话)我可以把头砍掉。switch around1.■(使)经常改换工作, 使变换位置switch from (to)1.■变换, 转移switch off [on to]1.■切断[接上](电流); 不收听[收听](某一广播); (使)兴味索然[兴致勃勃]switch over (from one to another)1.■(从某方面)转变(到另一方面)switch to1.■转(换)到switch through1.■(把电话)接到(某分机), 接过来特殊用法access switch1.■进入开关acknowledging switch1.■警惕开关, 确认开关actuated roller switch1.■【机】促动滚子开关aerial switch1.■天线开关air-break switch1.■空气开关air compressor switch1.■空气压缩机开关alter switch1.■变换开关arrester switch1.■避雷器开关assignment switch1.■呼叫开关; 呼叫分配器attent-unattent switch1.■(终端系统)自动转换开关auto-manual switch1.■自动-手动开关baby knife switch1.■小型闸刀开关barometric switch1.■气压继电器barrel switch1.■鼓形开关, 筒形开关bilateral switch1.■双向开关billet switch1.■坯料分配器bipolar switch1.■双极开关block switch1.■闭塞转接器, 闭塞开关brake switch1.■制动开关break-before-makeswitch1.■断-合开关breakdown switch1.■故障[应急]开关breakpoint switch1.■断点开关cabinet switch1.■开关箱cam switch1.■凸轮开关cathode switch1.■阴极开关centralizing switch1.■(中央)集中开关; 修正接点(陀螺仪的)chain billet switch1.■链式坯料分配器challenge switch1.■振铃电键, 呼叫开关changeover switch1.■转接开关, 换向[路]开关, 双向开关channel switch1.■通道开关; 波道[转换]开关chicken switch1.■(太空飞行遇到紧急情况时把太空人弹出座舱的)弹射按钮; (火箭飞行失灵时由地面控制的)自动炸毁装置按钮chopper switch1.■闸刀开关clip spring switch1.■(内线)弹簧开关closed switch1.■密贴道岔cluster switch1.■组开关coarse-fine switch1.■粗-精开关coding switch1.■发码开关combination switch1.■复合开关; 控制器commutationswitch1.■换向开关compilerswitch1.■编译程序开关computer-reset-hold switch1.■计算-复位-保持三用开关console switch1.■操作开关controlswitch1.■总开关; 控制回路内的开关; 控制开关, 主令开关counter switch1.■计数开关crystal switch1.■晶体开关cubicle switch1.■组合开关; 室内开关, 室内用配电箱current mode switch1.■电流型开关data sampling switch1.■数据采样开关dead end switch1.■终端开关dead front switch1.■安全开关deck switch1.■同轴开关(组), 联动开关(组)derailing switch1.■开关器; 转辙器detachable key switch1.■键控开关dial switch1.■拨号盘式开关, 选位开关differential pressure switch1.■压差开关, 压差传感器digital switch1.■数字开关diode switch1.■二极管开关direction-finding-receive switch1.■测向-接收开关disabled motor switch1.■电动机故障断路器display switch1.■显示开关door interlock switch1.■门锁开关double-bank commutator switch1.■双触排转换开关drum switch1.■鼓形开关duty sequence selector switch1.■工况顺序选择开关electric switch1.■电开关, 电钮electronic sampling switch1.■电子转换器emergency switch1.■应急开关entry switch1.■输入开关, 入口开关feeder switch1.■馈路开关feeler switch1.■测试键field switch1.■场开关, 励磁开关finder switch1.■寻线机flap-limit switch1.■襟翼限动开关float switch1.■浮控开关fluidic switch1.■射流开关foot switch1.■脚踏开关, 脚踏电门forestalling switch1.■警惕开关ganged switch1.■联动开关gapping switch1.■桥接开关gate control [turn-off] switch1.■门控开关governor switch1.■调节器开关gravity sensing switch1.■重力传感开关ground switch1.■接地开关; 地爬式转辙器group switch1.■组开关, 群开关guarded switch1.■保险开关head switch1.■磁头(转换)开关high-tension switch1.■高压开关hold reset switch1.■复位保持开关hospital switch1.■故障转换开关howler switch1.■嗥鸣电键hunting switch1.■寻线开关, 寻线机identification switch1.■辨识开关impulse switch1.■冲击式断路器;脉冲开关inductanceswitch1.■电感转换开关intercommu-nication switch1.■电报线路互换器interlocking switch1.■联锁触点, 联锁开关; 联锁转辙器intervention switch1.■应急开关ionic switch1.■离子开关isolating switch1.■隔离开关, 切断开关, 断路器jack switch1.■插接开关jump switch1.■跳步抢前换防key-board switch1.■键盘开关knife switch1.■闸刀开关lapping switch1.■断-通开关level switch1.■(信号)电平开关, 箝位电平转换light activated switch1.■光敏开关light actuated silicon controlled switch1.■光激可控硅开关limit switch1.■限位开关, 极限开关line switch1.■寻线机, 侍线机line-by-line switch1.■逐行倒相开关linked switch1.■联动开关load switch1.■负荷开关lobe switch1.■(天线辐射)瓣变换开关local-distant switch1.■近程-远程开关locking switch1.■锁定开关low-duty-cycle switch1.■瞬时转换开关low-tension switch1.■低压开关magnetic switch1.■磁(力)开关magneto switch1.■磁电机开关main switch1.■总开关, 主开关mains switch1.■电源开关, 馈路开关make-before-break switch1.■合-断开关manual switch1.■手控开关many-one function switch1.■【自】多-一函数开关marker switch1.■指示开关master switch1.■总开关matrix switch1.■矩阵开关mechanical switch1.■机动道岔mechanical flag switch1.■旗形开关mercoid switch1.■水银(转换)开关meter switch1.■仪表开关mimic-disconnecting switch1.■模拟断路器miss record switch1.■防错录开关modeselectorswitch1.■工作状态选择开关monitor switch1.■监听器开关motor-driven switch1.■电动机驱动开关motor-operated switch1.■电动道岔motor-operated group switch1.■电动机操纵的群开关multi-break switch (=circuit-breaker)1.■多重开关[断路器]multiplex switch1.■复式开关multiwafered switch1.■多片开关multiway switch1.■多路开关no-load switch1.■空载断路器,无载开关non-contactingswitch1.■无触点开关non-homingswitch1.■无归位(机)键non-homing type rotary switch1.■不归位旋转机键, (自动电话)不归位式旋转寻线机non-numerical switch1.■无号控机non-numerical line switch1.■无号寻线机nonshorting contact switch1.■不短接接触开关nonstop switch1.■不停开关nontrailable switch1.■非挤岔式道岔normal switch1.■定位道岔normal-reverse switch1.■(图象)反向开关no-volt release switch1.■零电压释放继电器(开关)number switch1.■号控机, 数字开关nut switch1.■螺帽型开关oil switch1.■油开关, 油闸(发电厂及输配电线用)oil-break switch1.■油断路器, 油开关on-and-off switch1.■通断开关one-control switch1.■单一控制开关one hundred point switch 1001.■线机键(自动电话)one-point end cell switch1.■单极尾端电池开关one-shot switch1.■冲息开关, 单触发按钮one-way switch1.■单路开关open switch1.■不密贴尖轨operating switch1.■操作开关operation-control switch1.■操作控制开关optical focus switch1.■光学聚焦转换开关option switch1.■选择开关optoelectronic multiplex switch1.■光电转换开关out switch1.■输出开关out going trunk switch1.■出中继机键outlying switch1.■远距道岔overheat switch1.■过热保护开关, 热继电器overload switch1.■【采矿】过载开关override switch1.■超越控制开关overtravel-limit switch1.■行程开关ovonic switch1.■双向半导体开关ovonic memory switch1.■双向记忆开关packet type switch1.■组合式开关padlocked switch1.■钩锁道岔panel switch1.■面板开关pantograph disconnecting switch1.■集电弓断路开关parallel inverter switch1.■并联变换开关parallel-series switch1.■串并联转换开关parametric switch1.■参数转换pass-band limiting switch1.■带宽限制开关pause switch1.■暂停开关peg switch1.■记次开关pendant switch1.■悬吊开关pendant pull switch1.■拉线开关perfect switch1.■理想开关perking switch1.■速断开关phaseswitch1.■相位开关phase-changeswitch1.■换相开关phase-change-over switch1.■相位转换开关phasing switch1.■调相开关piano-key switch1.■琴键开关pillar switch1.■柱式开关pilot switch1.■控制开关, 操作开关; 辅助开关pinch solenoid switch1.■压带电磁线圈开关pipe switch1.■管道转辙器plug switch1.■插塞开关, 插塞式交换台plugging switch1.■逆流制动开关plunger switch1.■柱塞转换开关plunger line switch1.■插棒式预选器plunger type line switch1.■插棒式寻线机pneumatic switch1.■气动开关pneumo-oil switch1.■气动-油压开关point switch1.■道岔电路控制器, 转辙回路管制器; 尖轨式转辙器point control switch1.■道岔电路控制器, 道岔回路管制器polarity switch1.■极性转换器, 极性转换开关polarity-reversing switch1.■极性倒换开关polarization switch1.■极化开关pole changing switch1.■换极开关pole line switch1.■电杆上线路开关, 架空线路开关pole mounted switch1.■架空安装开关, 杆上开关, 极柱式开关pole oil switch1.■杆上油浸线路开关, 架空油浸线路开关portable switch1.■轻便转撤器position switch1.■座席开关, 座席按扭positive-negative switch1.■正负象转换开关posture switch1.■姿势开关potential switch1.■电压换接开关pot-type oil switch1.■壶式油断路器power-brake changeover [transfer] switch1.■开动-制动转接开关power-operated switch1.■动力操纵的道岔power-saving switch1.■节电开关power-thrown switch1.■动力操纵[转换]的道岔preceding switch1.■前位, 第一位prelimit switch1.■预限开关preselecting rotary line switch1.■旋转式预选寻线机, 旋转式预选机(自动电话)press switch1.■压力(传动)开关press buttonswitch1.■按钮开关press talkswitch1.■按键通话开关press-to-talk switch1.■按讲开关pressel switch1.■悬垂式按钮站, 悬吊开关pressure switch1.■压力操纵开关, 压力继电器pressure safety switch1.■压力保险开关, 液压系统保险开关pressure sensitive switch1.■压敏开关, 压敏继电器preview switch1.■预看开关primary line switch1.■第一级寻线机priority switch1.■优先次序开关priority interruption inhibit switch1.■优先中断禁止开关protected switch1.■盒装开关protection switch1.■保护开关proximity switch1.■接近开关pull(-cord) switch1.■拉线开关pulse switch1.■脉冲开关push switch1.■按钮开关push-and-pull switch1.■推拉开关push-button switch1.■按钮开关; 按钮式机键puzzle switch1.■交分道岔quad bilateral switch1.■四重双向转换开关quick-acting switch1.■快动开关quick-acting spring switch1.■速动弹簧开关quick-action switch1.■速动开关quick-break switch1.■高速断路器, 速断开关quick-make switch1.■速通开关rack switch1.■齿轨转辙器radio-freqency switch1.■射频转换开关range switch1.■波段开关; 量程开关; 距离转换开关range control switch1.■量程控制开关ratioswitch1.■比例(转换)开关read-pulse switch1.■读数脉冲开关recall switch1.■再[重]呼开关receiving sampler switch1.■接收取样开关recessed switch1.■暗线开关, 嵌壁开关, 埋装开关reciprocal ferrite switch1.■互易性铁氧体开关recorder switch1.■记录器转换recording control switch1.■录制控制(磁迹)开关reed switch1.■簧片开关regenerative switch1.■再生式开关regenerative brake cut-off switch1.■再生制动器切断开关regrouping switch1.■重新组合开关regulating switch1.■调节开关reheater operating switch1.■复热器操纵开关relay switch1.■继电器开关remote switch1.■遥控开关remote lens-cap switch1.■(摄象机)镜头盖遥控开关remote-controlled outlying switch1.■遥控的远距道岔reset switch1.■复位开关resonant-chamber switch1.■共振腔开关resonant-iris switch1.■谐振膜转换开关retract limit switch1.■收缩极限开关return video switch1.■回象开关reverse switch1.■倒转开关reversing switch1.■换向开关
考试词汇表
