BX43W-1.0P/C二通保温旋塞阀

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X43W-10C二通铸钢旋塞阀

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X14W-1.0P三通内螺纹不锈钢旋塞阀

X47W-1.0油密封旋塞阀

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X44/X14W 旋塞阀|型号、规格及参数|上海首龙阀门系列产品