machinery oil[化] 机油
machineryn.机械;(总称)机器
Machinery products safety system机械产品安全系统
machinery manufacture automation机械制造自动化
Machinery and Equipment Learning装备认知
machinery and electric equipment机电设备
machinery for processing woodwork木工加工机械
Machinery system on floating dock浅谈浮船坞轮机系统设计
Machinery Plant of Light Industry轻工机械厂
machinery manufacturing expertise机械制造专业