I bought a secondhand sewing machine and then had to pay out lots of money to replace many worn parts.
我买了台旧缝纫机，但后来花好多钱更换许多坏了的部件。
As regards that machine, its moving parts have been worn out.
至于那台机器，它的活动机件已经磨损。
The system can be easily employed to an automatic rebuilding of worn machine parts of similar shape, but various state of the surface wear.
它适合于对形状相似、磨损程度不同的机械零件进行自动化修复。
The swirling spinner spares easily worn spinning parts and employs air flow to act on fibers, which fully activates high efficiency of swirling stranding machine and thus improves spinning rate.
本旋流纺纱机取消了高磨损的纺纱部件，采用气流作用纤维的方式，能够充分发挥旋流加捻器的高效率，从而提高纺纱速度。
The swirling spinner spares easily worn spinning parts and employs air flow to act on fibers, which fully activates high efficiency of swirling stranding machine and thus improves spinning rate.
本旋流纺纱机取消了高磨损的纺纱部件，采用气流作用纤维的方式，能够充分发挥旋流加捻器的高效率，从而提高纺纱速度。
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