弯头 DN 50-Sch40S90EL65/t206

DN 50-Sch40S 90EL65/t206

法兰 wn500-150 rf s=12.5

47023 rf450-4.0/50-165

47021C-FM900-0.6T205922m00-1.6

lwn25-900 rf b-6rf/T340

WN20-300 MR/0(B)-6GF00-1.613rf90ff

47022 C-G1000-1.6S=/0(B)-16 RFRF RFF Sch40

HG/T20615 WN150-150RF，24

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