The "extension" means an increase of the discharge capacity of an existing outlet.
扩大，是指已有入河排污口排污能力的提高。
2
All models have a common air INLET and air OUTLET. This enables additional modules to be connected to add air treatment capacity as operations expand.
所有型式具有一个普通的进气口和出气口，这样其余模块可在运行增大时进行连接，从而增加空气处理能力。
3
Estimates capacity and power required for compressing a gas mixture from an Inlet pressure to Desired Outlet pressure for a given cylinder diameter, rod diameter, stroke length and RPM.