automatic supplementary air valve 自动补充(空)气阀 ball stop valve 球形止阀 change valve 活页阀;旋转阀, 转换阀;多向阀 ..
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... ball relief valve 球形安全阀 ; 安全球阀 ; 减压球阀 ; 释放球阀 ball stop valve 球形止阀 ; 球形断流器 Sping ball check valve 弹簧球式止回阀 ...
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stop valve ball 停止阀球
The company mainly produces the products involving PP-R ball valve, anglevalve, stop valve, check valve and pipe fittings.
本公司主要生产PP-R球阀、角阀、截止阀、止回阀、管接头等产品。
The company mainly produces the products involving PP-R ball valve, angle valve, stop valve, check valve and pipe fittings.
本公司主要生产PP-R球阀、角阀、截止阀、止回阀、管接头等产品。
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