His greatest innovation was the use of interchangeable parts.
他最大的革新在于使用了可互换的零件。
Every part on the new models is interchangeable with those on the original. [+ with]
新款上的每一个零部件与原先的都可互换。
These expressions are often used interchangeably, but they do have different meanings.
这些表达方式经常相互替代使用,但它们的含义确实有所不同。
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