您要查找的是不是：
- The frictional pressure drop can be calculated by Chisholm equation, and the constant C in the equation depended on the quality. 可以用奇母霍斯关系式来计算窄环隙内的两相摩擦压降,式中的常数可由含气率计算
- The key factors affecting frictional pressure loss in narrow annuli are changing annular dimensions, rotation and vibration of drill strings. 影响窄环空中摩擦压降的关键因素为环空尺寸的变化、钻柱的旋转和振动。
- In the experiment, with the increase of water cut, the frictional pressure drops decrease sharply when water disperses in oil but hardly change when oil disperses in water. 本实验范围内，当管内液相处于油包水时，摩擦压降随含水率的增大急剧减小，当液相处于水包油时，随着含水率的增大，流动摩擦压降随含水率的增大变化平缓。
- An experimental study of frictional pressure drop characteristics of R410A-oil mixture flow boiling inside straight and C-shape horizontal enhanced tubes was performed. 实验研究了环保制冷工质R410A-润滑油混合物在直强化管和C形强化管内流动沸腾的摩擦压降特性。
- For upward churn flow, it is found that the relationship between frictional pressure drop and venturi pressure drop can be calculated by Martinelli parameter X. 在块状流条件下，推导了利用马丁内里参数计算垂直上升管摩擦压降与文丘利管节流压降间关系的公式，进而实现了截面含气率的测量。
- To calculate discharge port pressure,this article considers the influence on frictional pressure drop in the gas and liquid two-phase flow between rod and tubing owing to rotation of rods. 在计算排出口压力计算过程中,考虑了由于抽油杆柱旋转引起杆管环空气液两相流摩阻的影响。
- Effects of superficial gas/liquid velocities and water volume fraction on the frictional pressure drop of three-phase flow in vertical downward pipe (40 mm i. d. ) are experimentally investigated. 对垂直下降钢管内油气水三相流动的摩擦压降受折算液速、折算气速和油水混合物中含水率的影响进行了试验研究。
- By design of orthogonal experiment, the sequence of technological parameters of friction welding which effects of tensile strength welding joint is friction pressure,pressure and friction time. 采用正交试验设计的方法得出,摩擦焊工艺参数中对接头抗拉强度的影响的顺序是摩擦压力、顶锻压力、摩擦时间。
- Friction pressure Spinning Machine fron Australia and Advanced Computer-controlling Feather plantingMachine from Italy, whichmakes our products are outstanding in cleaning industry. 家品质合格证。
- By orthogonal experiment, the sequence of technological parameters of friction welding effecting the strength of the welding joint is friction pressure,upset pressure and friction time. 通过正交试验得出摩擦焊工艺参数中对接头抗拉强度的影响的顺序是摩擦压力、顶锻压力、摩擦时间。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Constant friction wore out the heels of my shoes. 不断的摩擦磨损了我的鞋跟。
- Friction between two sticks can create a fire. 两个棍棒相互摩擦能起火。
- 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。
- In the absence of friction belted machinery would not be used. 没有摩擦力，皮带传动的机器就无法使用。
