- floating block
- 浮动: float; drift; ripple; swim
- 滑车: block; wheel; purchase tackl ...
- 浮动滑车可移滑车: floating block
- 动滑车: fly block; mobile block; movable block; movable pulley; moving block; running block; traveling block; travelling block
- 差动滑车: compensating gear; differential block; differential chain block; differential pulley block; differential tackle; differential windlass; diffuse block; diffuse pulley; gin block; patent chain hoist
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