爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.Easily wearing position of draught fan case surface,made from A 3 steel,is forced to take build-up welding process of GTC wear resisting alloy,and the service life of it is increased by a factor of 9.
采用GTC耐磨合金堆焊工艺，表面强化济钢焦化厂A3钢引风机外壳易磨损部位，使用寿命提高8倍以上。收藏指正
尝试查询
汉英释义