您要查找的是不是：
- It's so changeable at this time of year. 这段时间天气变化无常。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- His temper's is changeable this week, so do not annoy him. 这星期他脾气变化无常，所以不要惹他生气。
- 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。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- The small city has the climate that is changeable in the extreme. 这座小城有变化多端的气候。
- His temper's been changeable this week, so don't annoy him. 这星期他脾气变化无常,所以不要惹他生气。
- What's the atmospheric pressure today? 今天的气压怎么样？
- 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。
- It took a bit of pressure to make the lid close. 要稍按一下才能把盖子盖紧。
- It was done under the pressure of the necessity. 这件事是在迫切需要的情况下而做的。
- At high pressure dry ice will melt. 高压下干冰会溶化。
- The gas is stored under pressure in the tank. 该气体在压缩状态下贮存于罐中。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- His health collapsed under the pressure of work. 他的身体被工作压垮了。
- The glass (ie atmospheric pressure) is falling. 气压在下降。
- The weather in Shanghai is very changeable. 上海的天气变化多样。
