metal working

短语词组

短语

• 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
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