您要查找的是不是：
- string pressure loss 管柱压力损失
- It can not require a pressure loss. 它不会造成压力损失。
- Type 0- Full round port opening offering minimum pressure loss conditions. 类型0-全圆形端口开启度,压降损失最小。
- The tradeoff comes in how much permanent pressure loss can be tolerated. 平衡点在于究竟容许多少长期压力损耗。
- Propeller meters introduce small pressure losses. 螺旋浆式流量计的压力损失
- The results show that the A-t curve wave separator has a higher separation efficiency with a petty pressure loss. 结果表明,本文提出的A-t双参数曲线波形板分离叶片不仅分离效率高,而且流动损失小。
- The truss structure featured by small flow resistance,strong toughness and less pressure loss. 具有流阻小，刚性好，压力损失小的桁架式结构。
- EP-W203/H DRA is a ultra-high molecular polymer, which can reduce the pressure loss of pipe flow. 型减阻剂是一种超高分子聚合物,注入管道后可以降低管流的压力损失。
- Two-jaw hydraulic clamping ,the workpiece sawing not loose,pressure loss avoided bandsaw,band saw protection. 双钳口液压夹紧;锯切下的工件不会松动;避免压损锯带;保护锯带.
- More accurate calculation of pressure loss in narrow annuli of slim holes and coiled tubing operations is required. 在小眼井和连续油管作业的窄环空中，要求更加准确地计算摩擦压降。
- I need a piece of string to tie this parcel up. 我需要一根细绳把这包裹扎起来。
- In the case of non-afterburning, its pressure loss is about one half of that of V-gutter. 不加力时，它的流阻损失很小；
- vibration string pressure sensor 振弦式压力传感器
- Besides, experiment on the pressure loss of the improved accumulator with L-Tube with the evase inlet shape was done. 对改进后的L-Tube入口为喇叭口形的储液罐也做了试验研究。
- In case of power failure, this electric pneumatic hemostat can maintain its pressure without pressure loss. 电动气压止血仪断电保持压力，不因停电造成压力释放。
- Coroilis force increases pressure loss in the ribbed passage while centrifugal buoyancy force decreases pressure loss. 对于带肋通道，总体上阻力系数随着旋转速度的增加而升高。
- Orifice's pressure losses are attributed to entrainment and eddy formation. 孔板的压力被认为是由卷吸和涡流造成的。
- The pressure loss in the pipe of pneumatic conveying of waste plastics is one of the important parameters. 摘要在废塑料气力输送过程中，管道压力损失是重要参数之一。
- He tied a string on his finger to jog his memory. 他把一条细绳系在指头上，以唤起记忆。
- The child was trailing a toy car on a string. 小孩用绳子拖着一辆玩具车。
