閥門設計與制造按HE5-227,HG5-1366,ZBN12002,ZBN12003,連接尺寸法蘭按HG5010,HG5012,HG5016,HG20593,HG20595螺紋按GB7306閥門檢驗試壓按ZBJ16006
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閥門設計與制造按HE5-227,HG5-1366,ZBN12002,ZBN12003,連接尺寸法蘭按HG5010,HG5012,HG5016,HG20593,HG20595螺紋按GB7306閥門檢驗試壓按ZBJ16006