duplex receptacle outlet 双孔插座出线口
duplex outlet 双插座
outlet duplex
出口双
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The duplex inlet & outlet ball pulverizer manufactured based on the introduced technology from France is a newly coal powder equipment, which has widely been used in power plants.
利用引进法国技术制造的双进双出钢球磨煤机是一种较新颖的制粉设备，现在电厂中已广泛采用。
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