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          帶壓堵漏

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          帶壓堵漏是利用合適的密封件,徹底切斷介質泄漏的通道,或堵塞,或隔離泄漏介質通道,或增加泄漏介質通道中流體流動阻力,以便形成一個封閉的空間,達到阻止流體外泄的目的。

          我和乡下妽妽的性故事小说
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