While both the throttling and buoyancy effects exist in the uplink tunnel, and the throttlingeffect is increased obviously with the power of heat release increasing.
而在上行巷道中则同时存在着节流效应和浮力效应,并且随着热释放功率的增大,节流效应更加明显。
2
Butterfly valve is closed parts (valve flap or disc for disc), around the valve axis of rotation to achieve the open and close a valve, in the pipeline mainly as shut off and throttlingeffect.