- open belting
- 开口: open one's mouth; start to t ...
- 皮带传动装置: belt drive unit
- 开口皮带传动: open belt drive; open-belt drive
- 皮带传动装置: belt drive unit; belt gear (belt gearing); belt pulley attachment; belt transmission; rubber belting
- 斜角皮带传动装置: angular belting
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