Qhov sib txawv ntawm mos foob thiab tawv foob ntawm valve
Qhov sib txawv ntawm cov foob mos thiab tawv foob ntawm lub valve Ntxiv nrog rau qhov kev tiv thaiv corrosion hauv ob sab phlu, lub foob foob dav dav hais txog lub spool lossis lub rooj zaum ntawm ib qho ntawm ob cov ntaub ntawv tsis yog xim hlau (tsuas yog PTFE, roj hmab, thiab lwm yam) kaw daim ntawv. ntawm lub valve. ...
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