There was that short section director who would stand by you whenever we had to line up, whether it was morning drill, meal time or evening roll call.
一个小个子科长，无论早操、吃饭、晚点名，只要排队，就站在你的身旁。
The forming of special section tubes with roll extrusion method is a new technology.
异型钢管滚挤成形是一种新技术。
Range of application: Restoration of ferrous and non-ferrous strip and section mill roll;
黑色、有色板带和型材轧机用轧辊的修复、再生利用；
Range of application: Restoration of ferrous and non-ferrous strip and section mill roll;
黑色、有色板带和型材轧机用轧辊的修复、再生利用；
应用推荐