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红杏视频看污片-產品中心
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暗杆鑄鋼閘閥 |
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·性能規範 Property specifications |
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· 法蘭連接尺寸按JB/T79-94或GB/T9113。Flange connecting dimensions in accordance with
JB/T79-94 or GB/T9113
· 密封麵型式 Seat sealing:13Cr/13Cr﹑13Cr/STL
· 閥體材料 Body material:WCB
·產品規格和外形尺寸 Size of products and dimensions
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