crosspiece classes垫圈班
up crosspiece上横档
supporting crosspiece横撑构件
crosspiece for winding gear卷片小齿轮横销
crosspiece rung transom横档
Suspended From A Crosspiece挂在横梁上
critical crosspiece distance临界档距
axle-crosspiece轴档
同义词：travetraversecrossbeam
N（名词） a transverse beam, joist, etc 横档