For screw pump well, the following accidents, such as rod breaking, wax locking and pump burning, always happened.
螺杆泵井运行过程中经常出现杆柱断脱、蜡卡、烧泵等现象。
On wire - rod mill, the guide shoe is key spare parts to which, excellent wear - resistance, fracture - resistance, dead burning resistance and hot shock resistance are required.
导板是线材轧机上的关键备件，要求有优良的耐磨性、抗断裂性、抗粘钢性和热冲击抗力。
Forming process of combustion welding rod was studied and the best parameters of forming process are following: controllability of the burning with the density of the rod 2.
通过对燃烧型焊条成型过程实验研究，得出最佳成型工艺参数：药粉密度在2。
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