Analysis of technique of exploiting coal - bed methane by injecting gas 注气驱替煤层气技术的探讨
2.
Rotor blades rotate almost same speed of with same circumference speed with injected gas speed from lv pocket 转子风叶的圆周线速度几乎与lv气室喷出的气体速度相同。
3.
The interface motion situation of gas - melt is changed when injecting gas into melt in various conditions - gas - entering pressure 、 melt temperature and so on 摘要气体经喷嘴进入聚合物熔体时所形成的气熔界面的运动情况随着进气压力、熔体温度等不同参数的改变而发生变化。