dry self-priming pump的意思|示意

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干式自吸泵

干式自吸泵 ... 干式真空泵 dry vacuum pump 干式自吸泵 dry self-priming pump 感应泵 induction pump ...

干式 ... 干式真空泵； dry vacuum pump 干式自吸泵； dry self-priming pump 杆式泵； rocking arm pump ...