英语词汇economical speed range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	economical speed range
释义	economical speed range 简明释义俭速航程网络释义 1 ?俭速航程 ... Speed range 主轴转速 economical speed range 俭速航程 Restricted speed range 转速禁区范围 ... 短语 1 economical cruising speed range 经济巡航速度续航力双语例句 1 The lapse speed operation ci pumps is a kind of energy-saving regulation. The economical operation of the system presuppose the determination of high-efficient lapse speed range of pumps. 水泵降速运行是水泵的一种节能调节方式，确定水泵的高效降速范围是保证系统经济运行的前提。
随便看	gotta go do something gotta have you Got Talent gotta lotta bottle Gottardiite Gottardo gotte Gottem Gottemoeller gotten get a blow in get about get abreast of get abroad get accustomed to get a clue get a cold get acquainted with get across get across to get a fix on get after get a glimpse of get a grip get ahead

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