sieve
习惯用语draw water with a sieve (=pour water into a sieve)1.■白费气力, 徒劳have a head [memory] like a sieve1.■记性糟透了, 健忘特殊用法adjustable sieve1.■可调(筛孔)筛Alpine air-swept sieve1.■【冶】阿尔派恩气吹式清洗筛angle sieve1.■阶梯筛, 角度[型]筛, 角型滤网brush sieve1.■带刷的筛子cleaning sieve1.■下筛, 草籽筛, 清选筛close-meshed [fine] sieve1.■细筛cloth sieve1.■绢筛coarse sieve1.■大眼筛, 粗筛covering sieve1.■覆盖筛cylindrical [cylider] sieve1.■圆筒筛disk sieve1.■盘形筛dockage sieve1.■谷物含杂量测定筛electroformed sieve1.■【冶】电刻筛Eratosthenes' sieve1.■厄拉多塞筛法filling sieve1.■注入滤网fine mesh sieve1.■细孔筛flat sieve1.■平筛flouring sieve1.■面粉筛grading sieve1.■分级筛, 清选筛grain sieve1.■(谷物联合收获机的)谷粒物, 下筛2.■籽粒筛gyrating sieve1.■旋转筛hair sieve1.■马尾筛hammer-mill sieve1.■锤式粉碎机筛片head sieve1.■喂入筛, 验样筛,头筛inclinedsieve1.■斜筛interchangea-ble grain sieve1.■互换式谷粒筛ionic sieve1.■离子筛jigging sieve1.■摇动筛, 摇筛机level sieve1.■平筛lip(ped) [louver] sieve1.■鱼鳞筛lower sieve1.■下筛, 草籽筛mechanical sieve1.■机动筛milk sieve1.■牛奶过滤器minus sieve1.■筛下物, 通过筛孔的颗粒molecular sieve1.■分子筛oscillating [vibrating] sieve1.■振动筛plus sieve1.■筛上purifier sieve1.■净化(器)筛reciprocating sieve1.■振动筛, 往复筛removable sieve1.■可移动筛, 可卸筛revolving [rotary] sieve1.■滚筒筛, 转筛rocking sieve1.■摆动筛roughing-out sieve1.■粗杂质排出筛shaking sieve1.■摇动筛square mesh sieve1.■方眼筛stamped sieve1.■冲孔筛swing sieve1.■摇动[荡]筛tails sieve1.■尾筛testing sieve1.■实验(室)用筛top sieve1.■上筛, 顶筛travelling sieve1.■抖动筛Tyler standard sieve1.■泰勒标准筛upper sieve1.■上层筛, 颖糠筛vibration sieve1.■振动筛wet sieve1.■湿筛wire sieve1.■金属细筛wire gauze sieve1.■编织筛
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