
HOT ROLLED WELDABLE STEEL BARS FOR PRESSURE PURPOSES WITH SPECIFIED ELEVATED TEMPERATURE PROPERTIES
出版:Comite Europeen de Normalisation

專家解讀視頻
HOT ROLLED WELDABLE STEEL BARS FOR PRESSURE PURPOSES WITH SPECIFIED ELEVATED TEMPERATURE PROPERTIES
出版:Comite Europeen de Normalisation
專家解讀視頻