弯头 DN 50-Sch10S45ELF40 RF S=3F S=3-16 RFRFF S=8

DN 50-Sch10S 45ELF40 RF S=3F S=3-16 RFRFF S=8

LWN20-300 RF SCH40，H=237f s=10-15=14S=6

WN500-150RF SCH304/g¦Ã

Lwn25-300rfsch80s)-10/2RF-4.0h8100

bl125-100fm

WN20-900 RJ Sch40/

WN150B-25 M6 rf c=00 RF-4.0h81000-2

47021 C-RF 1200-0.621125+.5 d

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