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介绍了一种汽车轮胎充气泵的研制过程。
The processes in developing a kind of reciprocating air compressor used as automobile type pump are introduced.
youdao
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介绍了一种汽车轮胎充气泵的研制过程。
The processes in developing a kind of reciprocating air compressor used as automobile type pump are introduced.
youdao