常見例句雙語例句I-4 new surface treatment process is studied by chemical conversion coating technology.采用化學轉化膜技術，研制出I -4 表面處理新工藝。A composite chemical-conversion coating formed on a metallic base and comprising a crystalline continuous coating film.本發(fā)明涉及一種復合化學轉化涂膜，其含有在金屬基質(zhì)上形成的結 晶連續(xù)涂膜。ip.comHY-200 process procedure for colour chemical conversion coating of Al and its alloys parts and the test method for quality control are introduced in this paper.本文介紹了對鋁及鋁合金零件進行彩色化學轉化處理的HY—200法的工藝及質(zhì)量控制的試驗方法。 返回 chemical conversion coating