hot-rolled residual heat treatment
热轧余热处理 » hot-rolled residual heat treatment 红色的窗帘的皱褶遮住了我的视线 » Red folds of curtains behind my eyes ..
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I hope that teachers will not let me speak 热轧余热处理 » Hot heat treatment 更安静 » Quieter ..
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短语
热轧余热处理钢筋
Hot-rolled steel heat treatment