The result of experiment shows that the effect of weight on bit on the torque is different for two different conditions of surfacescraping rock break and volume break.
分析试验结果得出，对于表面刮削破碎和体积破碎两种岩石破碎状态，钻压对扭矩的影响不一样。
2
Second times the coating construction: in the first pass of the basic curing coating, and then scraping the surface of the coating second times, the coating method with the first coating.
第二遍涂层施工：在第一遍涂层基本固化后，再在其外观刮涂第二遍涂层，涂刮方法同第一遍涂层。
3
Check penetration and softening by scraping the primed surfaces. A few thousandths of the semi-fluid surface should be easily removed. Repeat primer application if necessary.