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Xov Xwm Tuam Txhab

  • Standard Features of Gate Valve

    Standard nta ntawm rooj vag Valve

    1. Tsis tshua muaj dej tsis kam.2. Lub zog sab nraud yuav tsum tau qhib thiab kaw yog me me.3. Txoj kev khiav ntawm qhov nruab nrab tsis yog khi.4. Thaum qhib tag nrho, qhov yaig ntawm qhov chaw sib khi los ntawm qhov nruab nrab ua haujlwm yog me dua li ntawm qhov nres valve.5. Cov duab sib piv yog yooj yim, thiab t...
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