chain pulley
短语词组
- chain n pulley 链条滑轮
- chain block pulley 链滑轮
- chain moving pulley 链动滑轮
- chain pulley seat 链轮座
- chain pulley block 链滑轮组
- electric chain pulley block 电动葫芦
- double chain pulley 双链滑轮
- hand chain pulley block 手拉葫芦
- chain pulley collar 链轮环 返回 chain pulley