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- A dual-semisphere check valve for fluid delivery system is composed of valve body, bottom and top valve seats, valve bonnet, flap, spool, sealing washer, rotary rod, pressure screw, handwheel and nut. 一种双半球截止阀，涉及各种流体输送系统截断或接通的装置。包括阀体、下阀座、上阀座、阀盖、阀瓣、阀芯、密封垫圈、旋转杆、压紧螺丝、手轮和螺母等。由于设置了两个阀座和双半球阀瓣，提高了外密封和内密封效果。
- The other 23 cases were treated by hollow pressure screws and bone grafts with muscular pedicles of both musculus tensor fasciae latae and musculus sartorius. 双肌蒂组23例采用可折螺钉或空心加压螺钉固定加阔筋膜张肌和缝匠肌双肌蒂骨瓣移植。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- 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。
- 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。
- Her health broke down under the pressure of work. 工作的压力把她的身体弄垮了。
- Capacity or inclination to yield under pressure. 支持不住在压力下屈服的能力或倾向
- It's hard to stay sane under such awful pressure. 处于这种可怕的压力之下，不疯才怪呢。
