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