muff coupling造句
造句与例句手机版
- Shipbuilding . shaft lines . couplings . details of shaft ends , keys and assembly bolts for muff couplings
造船工业.轴线.联轴器.轴端零件键和muff联轴器装配螺栓 - It's difficult to see muff coupling in a sentence. 用muff coupling造句挺难的
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