bolster
习惯用语bolster up1.■支持, 支撑; 巩固特殊用法anchor bolster1.■锚链孔唇口body bolster1.■车身承梁bogie bolster1.■转向架承梁truck bolster1.■转向架承梁bottom bolster1.■摇枕box section bolster1.■箱形断面摇枕cellar bolster1.■用品箱下的垫木center truck bolster1.■中摇枕channel section bolster1.■槽形断面摇枕compound bolster1.■复式承梁fixed bolster1.■固定支架hinged bolster1.■铰接承梁lower bolster1.■下垫板, 下梁moving bolster1.■移动式工作台pattern plate bolster1.■模板框press bolster1.■冲床台面ram bolster1.■活动平台; 下托板spring bolster1.■弹簧承梁swing bolster1.■摆动承梁, 摇枕tender bolster1.■煤水车身承梁