I'm not a huge fan of this method, but sometimes brute force is required.
总体上鄙人不常用此方法，但有时死办法也是必须的。
2
The canister USES a fan to force air through the filter, and then the purified air runs through a hose to the mask.
罐中的风扇使空气流过过滤器，这样净化的空气通过软管达到面具。
3
Silicone oil fan clutch is a new kind of transmission device using viscous shear force of silicone oil to transfer torque, which is widely used in engine cooling systems.