When the mesh surface rotation teeth to shell vent, under highpressure gas mixture in the oil and gas discharge.
当齿沟啮合面旋转至壳体排气口时,较高压力的油气混合气体排出机体。
2
The active systems consist of several pumping systems of varying dischargepressure and flow rates, e. g., high head injection system, low head injection system.
能动系统由不同注入压力和流量的泵系统组成,如高压安注系统,低压安注系统。
3
Shallow buried-tunnelling method was used in the construction of highdischargepressure culvert for the first time and developed a new construction method in urban water distribution project.