metal working
短语词组
- metal plastic working 金属塑性加工
- sheet metal press working 金属板螺钉
- metal valley working grease 金属加工用脂
- metal -working course 金工课程
- metal valley working machinery 金属加工机械
- metal valley working oil 金属加工用油
- metal pressure working 金属压力加工
- metal valley working 金属加工 返回 metal working