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锟斤拷锟斤拷(zh锟斤拷)锟叫橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷
锟絆(sh锟斤拷)計锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷API6D锟斤拷API594锟斤拷GB/T12221锟斤拷
锟絲锟斤拷c試锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟矫o拷API598锟斤拷API6D锟斤拷JB/T9092锟斤拷GB/T13927锟斤拷
锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟絃锟饺橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟矫o拷API6D锟斤拷API594锟斤拷锟斤拷锟絊锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷
锟斤拷锟斤拷锟截度等硷拷锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟矫o拷GB/T12224锟斤拷ASME B16.34锟斤拷
锟斤拷锟絤锟斤拷式锟竭达拷锟(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟矫o拷ASME B16.5锟斤拷ASME B16.47锟斤拷GB/T9113锟斤拷JB/T79锟斤拷
锟斤拷锟斤拷锟杰咃拷锟斤拷(sh锟斤拷)锟斤拷
锟斤拷锟絈通锟斤拷锟斤拷DN50锟斤拷DN65锟斤拷DN80锟斤拷DN100锟斤拷DN125锟斤拷DN150锟斤拷DN200锟斤拷DN250锟斤拷DN300锟斤拷DN350锟斤拷DN400锟斤拷DN450锟斤拷DN500锟斤拷DN600锟斤拷DN650锟斤拷DN700锟斤拷DN750锟斤拷DN800锟斤拷DN900锟斤拷DN1000锟斤拷DN1050锟斤拷DN1200锟斤拷
锟斤拷锟絈锟斤拷锟斤拷锟斤拷PN1.0锟斤拷PN1.6锟斤拷PN2.5锟斤拷PN4.0锟斤拷PN6.3锟斤拷PN10.0锟斤拷PN16.0锟斤拷PN20.0锟斤拷PN25.0锟斤拷CLASS150锟斤拷CLASS300锟斤拷CLASS600锟斤拷CLASS900锟斤拷CLASS1500锟斤拷CLASS2500锟斤拷
锟絤锟矫溫度o拷-196锟斤拷~550锟芥,锟斤拷(y锟斤拷ng)锟斤拷锟斤拷(j锟斤拷)锟斤拷同锟侥癸拷锟絩锟截讹拷锟絰锟矫诧拷同锟侥诧拷锟絴(zh锟斤拷)锟斤拷
锟絤锟矫斤拷锟絴(zh锟斤拷)锟斤拷水锟斤拷锟酵氾拷锟斤拷锟斤拷類革拷锟絞锟皆斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷同锟侥斤拷锟絴(zh锟斤拷)锟斤拷(y锟斤拷ng)該锟絰锟矫诧拷同锟侥诧拷锟絴(zh锟斤拷)锟斤拷
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锟斤拷锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟紻锟斤拷

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