Applying mold release or silicone to the die exit area after cleaning can reduce the rate of buildup and extend the time between cleanings.
清除积料后在口模出料口使用脱模剂或者硅酮可以减轻积料程度并延长两次清除之间的时间。
2
At the same time, serious corrosion and scale buildup of water injection system, leak of water pipeline and high-pressure water injection equipment fault rate increase would happen.
同时也造成注水系统腐蚀、结垢严重，地面注水管网穿孔频繁，高压注水设备、计量装置故障增多。
3
Then a differential model, which discribes the changes of sandface flow rate under pressure drawdown and buildup is derived. The rate model is used to solve the question …