燃气切断阀 ZCR-0.5-DN15,ZCR-0.5-DN20,ZCR-6-DN25,ZCR-6-DN32,ZCR-0.5-DN40,ZCR-6-DN50,
黄铜(铝合金)





不锈钢


不锈钢





NBR橡胶




ZCR-0.5-DN25,ZCR-0.5-DN32,ZCR-0.5-DN50,ZCR-0.5-DN65,ZCR-0.5-DN80,ZCR-0.5-DN100,
ZCR-0.5-DN125,ZCR-0.5-DN150,ZCR-0.5-DN200,ZCR-0.5-DN250,ZCR-0.5-DN300,ZCR-0.5-DN350,
ZCR-6-DN15,ZCR-6-DN20,ZCR-6-DN40,ZCR-6-DN65,ZCR-6-DN80,ZCR-6-DN100,
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