Forepressure
(泵出口)前压, 排出压力, 出口压力
🗣️ 情景例句
Gates close at 5pm sharp.
大门 5 点正关闭。
He is playing on the swings outside.
他正在外面荡秋千。
How many instruments do you play?
你能演奏多少种乐器？