roller bridge

同义词释义

1)roller bridge,用滚轮的活动桥2)rolling drawbridge,用滚轮的活动桥3)individual roll,专用滚轮4)bearing ball,轴承用滚珠5)two-acting roller rotary pump,双作用滚柱泵6)dory roller,收渔艇用滚筒7)dummy,拖网底纲用滚柱8)centered by rolling element,用滚动体定心9)laboratory roller mill,实验室用滚压机10)nylon-universal roller door guides,尼龙通用滚轮上坎架