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- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- A small valve or faucet used to drain or reduce pressure, as from a boiler. 泄气阀，小龙头用来排空或降低压力的一种小阀门或小龙头，如锅炉上的
- Shut off the supply pressure and drain the valve. 切断供应管线的压力,将阀门内残余流体排放出来。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- Shut off supply pressure and drain valve. 关闭供应压力和排泄阀门。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- The drain is blocked and needs unplugging. 排水管堵塞了，得疏通一下。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- The bathtub drain needs repairing. 浴盆的排水管需要修理。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- All hands turned out to repair the terraces and drain the water. 所有劳动力都出来整修梯田，排除积水。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- What's the atmospheric pressure today? 今天的气压怎么样？
- All of our best laid plans are down the drain. 我们所有精心布置的计划都付之东流
- The water pressure may need adjusting. 水压可能需要调整。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严，所以他退学了。
