discharge branch from manifold

例句：

1. 1. The engineer discharged the gas from the tank.
   工程师从罐中排放了气体。
2. 2.The policeman discharged his gun to scare off the thieves.
   警察用枪吓跑了小偷。
3. 3.The scientist discharged a stream of water from a hose.
   科学家用软管放出了一股水流。