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两片式球阀
2-Pc Ball Valve, Full Bore, 1000wog,FfMade By Astm A-351 Grade 304 /31...
卫生级蝶阀
Standard: 3a, Din And SmsHandle In 4 / 12 PositionsConnection End: Thr...
简单型球阀
Material In Upvc / Cpvc / PpConnection End: Socket Or ThreadedPresuure...
