只取得了一点小成绩他就变得很骄慢.He became overly proud after he has made a small achievement.骄慢并不会令你得到他人的尊敬; 谦卑反而令人尊敬.Arrogance will not make you be respected by others; humbleness however makes you respectable....
Use reducer special for plastic extruder with alloy hard - toothed surface.采用合金硬齿面塑料挤出机专用减速机.This article introduces simulation analysis methods of twin - screw extruder.本文介绍了双螺杆挤压机的模拟分析的方法.In the control system of new d...