常見例句雙語例句A bright pickling and chromating process for copper pipes was introduced.介紹了一種紫銅琯光亮酸洗鈍化工藝。Pickling or bright dipping in acid can remove this magnetic film and restore the non-magnetic properties.酸洗或明亮的酸浸，可以刪除這個磁性薄膜和恢複非磁學(xué)性質(zhì)。wiremesh-asia.comThe no pollution bright pickling passivation technique of copper parts introduced in this pa-per, has neither the toxic chromium containing materials nor nitrogen oxide pollution.本文介紹的銅制件光亮酸洗鈍化工藝，既無有毒的含鉻物質(zhì)，又無氮氧化物汙染。 返回 bright pickling