英语词汇effective pitch ratio怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	effective pitch ratio
释义	effective pitch ratio 简明释义有效螺距比；有效节距比网络释义 1 ?有效螺距比 ... 硬度试验机硬度试验计 hardness tester 有效螺距比有效节距比 effective pitch ratio 双效蒸发器双效淡水机 double effect evaporator ... 2 ?有效节距比 ... 再生器效率(燃气涡轮机) effectiveness of regenerator 有效螺距比,有效节距比 effective pitch ratio 有效射程,有效距离 effective range ... 短语 1 effective particle velocity pitch ratio 有效螺距比双语例句 1 Pulleys are on the market that permit an adjustment in the width of the groove. The effective pitch diameter of the pulley is thus varied, and moderate changes in the speed ratio can be secured. 带轮运行一定时间后，槽的宽度可以调节，这样带轮的节距是变化的，因此需要进行适当的调整以满足速度比的要求。
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