ʻO Changyou Valve Technology Ocean: Hoʻohou a me ka hoʻohana ʻana i nā ʻōpepa ʻo Telescopic Flange Butterfly o Kina
Changyou Valve Technology Ocean: Innovation and Application of China's Telescopic Flange Butterfly Valves I ka hana ʻenehana hou, ʻaʻole hiki ke nānā ʻia ke kuleana o nā valves. ʻO nā valve nā mea hana e hoʻomalu i ke kahe o nā wai (wai, kinoea, pauka, etc.) ...
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