英语词汇“preparatory signal”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	preparatory signal
释义	preparatory signal 英?[pr??p?r??t?:ri: ?siɡn?l] 美?[pr??p?r??t?ri ?s?ɡn?l] 释义预备信号行业词典体育预备信号???
随便看	loose fibrous material loose-fill loosefill loose fill loose filler loose-fill insulation loose fill insulation board loose fill type insulant loose-fill type insulant loose fill-type insulant loose filtering material loose-fish loose fish loose fit loose-fit loose fit jean loose-fitting loose fitting loosefitting loose-fitting dress loose fitting knockout pin loose fitting pants loose fitting piston loose-fittings loose flange

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preparatory signal