拔的时候,单向阀们有个时间差,百分之几秒?不知道,反正动作快,喷出来就少。就好像轮胎的充气阀门一样,你拔充气管的时候,总会有点气因为高压力差喷出来。
拔的时候,单向阀们有个时间差,百分之几秒?不知道,反正动作快,喷出来就少。就好像轮胎的充气阀门一样,你拔充气管的时候,总会有点气因为高压力差喷出来。
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