KH1B-10-10SR ，KH1B-10-12SR，KH1B-10-14SR，KH2B-13-20SR，KH2B-13-NPT1/2，球阀 KH1B-10-10SR ，KH1B-10-12SR，KH1B-10-14SR，KH2B-13-20 图片

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