Precision stem and packing Chambers. Straightness, roundness and fine finish of stem and packing chamber wall are essential.
精密加工的阀杆和填料腔。阀杆和填料腔壁的平直度、圆度和表面光洁度是最基本的要求。
Precision stem and packing Chambers. Straightness, roundness and fine finish of stem and packing chamber wall are essential.
精密加工的阀杆和填料腔。阀杆和填料腔壁的平直度、圆度和表面光洁度是最基本的要求。
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