片语
mechanical push-bar emergency exit lock推闩式机械逃生门锁
jute push-bar drawing frame黄麻纺推排式并条机
Push Up Bar俯卧撑支架
Push-bar gill推针排式梳机
Push A Bar推个吧
push-bar conveyor刮板运输机
brake cylinder push bar[车辆]
push-bar drawing frame推排式并条机
push-bar emergency exit lock推闩式逃生门锁
pull rod[机] 拉桿;推桿