该车型的所有焊接接头? (C---E) 工艺研究所 提出 各车型标准试件工艺评定的 项点 和技术方案。项点确定的原则是:其工艺评定应覆盖 该车型的所有 焊接接头。 The Technology Research Institute shall put forward the key points and technical scheme for the welding process qualification of standard test specimen of variety of locomotives. The principal for determining the key points is: the welding process qualification shall cover all kinds of welding joints in the right locomotive . 查看更多7个回答 . 4人已关注