Changyou Valve Technology Ocean: ihe ọhụrụ na ngwa nke China Telescopic Flange Butterfly Valves
Changyou Valve Technology Ocean: Innovation and Application of China's Telescopic Flange Butterfly Valves Na mmepụta ụlọ ọrụ ọgbara ọhụrụ, enweghị ike ileghara ọrụ valves anya. Valves bụ ngwaọrụ na-achịkwa mpụta nke mmiri (mmiri, gas, ntụ ntụ, wdg) ...
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