英语词汇“step pyramid”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	step pyramid
释义	step pyramid freq. 3 dict. 1 spoken 1 na.(斜面呈梯级状的早期)梯级金字塔 [网络]阶梯金字塔；阶梯形金字塔；阶层式金字塔
随便看	closed circuit milcloset closed-circuit milcloset closed circuit nozzle closed-circuit nozzle closed circuit of a cooling system closed circuit oiling closed-circuit oiling closed-circuit oil system closed circuit oil system closed-circuit operation closed circuit operation closed circuit oxygen equipment closed-circuit oxygen equipment closed circuit oxygen system closed-circuit pipe system closed circuit potential closed circuit principle closed circuit pulverizing closed-circuit pulverizing closed circuit recording closed-circuit recording closed-circuit refrigeration closed circuit refrigeration closed-circuits closed circuits

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