法兰 PL 500-10 FF d=830/ƒÂ¢Ã¢â€šÂ¬Ã‚

pl500-10ff d=830/ƒÂ¢Ã¢â€šÂ¬Ã‚

wn15(a)-16rf s=3

Pl100B-16RF

Pl125-16 RF

WN300-150 RF SCH20/

wn15-600 rf s=7.5F颠.51=H4=1202f hg/0-

SO100B-16rf/

wn 200-25 rf s=12.5.02 F8 PL50(B)-

WN100(A)-160RJ600=

wn15(a)-25 rf s=3 hg/t20592-2009f4005