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- pitch line velocity 节线速度
- Maximum continuous flow based on pipe line velocity of 20 ft. per second. 最大持续流量以管路流速每秒20英尺为计算基础。
- Maximum intermittent flow based on pipe line velocity of 25 ft. per second. 最大间歇流量以管路流速每秒25英尺为计算基础。
- This method could not only applied to outer noncircular gear with all convex pitch line but also applied to o... 解决了非圆齿轮硬齿面无法精加工的难题,使非圆齿轮应用于精度要求高的场合成为可能。
- Either too low a line velocity or too high a velocity can damage valve internals and shorten valve life. 如果怀疑系统可能有问题,则在选型和订购截流止回阀之前,应该与美国太平洋阀门公司一起重新审核管道系统。
- Based on the theory, wave propagates through the tilted strata, the method of 3-D irregular line velocity analysis (on condition that the dip is steep) is put forward. 本文根据波在倾斜地层中的传播理论,提出在大倾角情况下的三维非规则测线速度分析方法。
- This method could not only applied to outer noncircular gear with all convex pitch line but also applied to outer noncircular gear with partial concave pitch line and inner noncircular gear. 这种磨削原理不仅可以应用于节曲线外凸的非圆齿轮,而且可以应用于磨削带内凹节曲线的外非圆齿轮及内非圆齿轮。
- As internal grinder,the line velocity will decelerate along with the cut down of the grinding wheel radius,that lead to reduce of precision and smooth finish and grinding efficiency. 在内圆磨削的过程中,线速度随着磨削砂轮半径的减小而不断减小,导致磨削的精度和光洁度降低,磨削效率低。
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- The coach built the team up to a fighting pitch. 教练使全队振作起来,准备一搏。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- They that touch pitch will be defiled. 近墨者黑。
- We planned to pitch our camps in the mountains. 我们计划在山里扎营。
- The speaker brought the crowd to fever pitch. 演讲者激起群众高昂的情绪。
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- The fans rushed onto the pitch in an excited mob. 球迷群情激昂,一窝蜂涌进球场。
- One line cuts another at right angles. 一条线与另一条线成直角相交。
- Let's pitch out the troublemakers. 把这些捣乱分子赶出去。
- The printers have missed out a whole line here. 排版工人在这里漏掉了一整行。