机器零件摩擦发出刺耳的声音。
这些零件在五金商店容易买到。
他们观看了机器零件的组装过程。
你得用螺丝把所有的零件固定在一起。
有个零件松了经常卡住机器。
他用废弃的汽车零件重新装配了发动机。
He rebuilt the engine using parts from cars that had been scrapped.
我们复印机所需的零件到了吗？
Have the parts we need for the photocopying machine arrived yet?
新零件刚到，星期五应该可以准备好。
The new parts have just come in, so it should be ready by Friday.
这些零件完好地焊在一起了。
汽车零件是标准化了的。
修个机器，换个零件什么的，他都能对付。
Reparing a machine or replacing a part — he can cope with things like that all right.
最后对零件进行校核。
米克把自行车和自行车零件放在他的车库里。
他把零件组装在一起。
塑料零件可以代替金属零件，但是它们不耐用。
Plastic parts can substitute for metal ones, but they don't last long.
汽车有很多零件。
这机器零件发热。
下螺母凸顶的滑动零件上有一条小弧线充当楔块。
A small curve in the sliding part of the convex top of the lower nut acts as the wedge.
米克从每个轮子上取下零件，为男孩造了一套新的轮子。
Mick took parts from each to build a new set of wheels for the boy.
我用汽车零件和其他东西制作了自己的发明，比如电子玩具。
I made my own inventions, such as electronic toys from car parts and other things.
自行车因为价格高，而且缺乏可用的零件，其使用受到限制。
The use of bicycles was constrained by their high cost and the lack of available spare parts.
如果你有一个漏水的龙头，你可以更换垫圈或者其他需要的零件。
If you have a leaking tap, you can replace the washer or other components as required.
降低单个机器零件的生产成本是我们实现降低整体生产成本这一更大目标的唯一途径。
Reducing the production costs of individual machine parts is the only way to achieve our larger goal of reducing our overall production costs.
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