Kodi mawonekedwe achitsulo a Q690D apamwamba kwambiri ndi ati?Q690D mkulu-mphamvu zitsulo mbale ndi ozizira adagulung'undisa mkulu-mphamvu zitsulo mbale amene zigawo zikuluzikulu ndi carbon, pakachitsulo, manganese, phosphorous, sulfure, chromium, faifi tambala, molybdenum ndi zinthu zina.Poyerekeza ndi wamba ...
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