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我给自行车打气时越大约没气,过程是找一加加油站,按动pump,讲出气孔对准车胎的孔,然后按住出气孔的把手,就有气出来了,可是大不进去,反而把车胎中的气放跑了。那位同志有着这方面的经验请赐教。

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2001-7-10 -04:00
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Back To Topic: 我给自行车打气时越大约没气,过程是找一加加油站,按动pump,讲出气孔对准车胎的孔,然后按住出气孔的把手,就有气出来了,可是大不进去,反而把车胎中的气放跑了。那位同志有着这方面的经验请赐教。

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