英语词汇“mine ventilation, underground ventilation”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	mine ventilation, underground ventilation
释义	mine ventilation, underground ventilation 矿井通风[学]; 研究矿井中大气成分、风流运动规律及向矿井输送新鲜空气，以改善矿内气候与环境条件等问题的学科。
随便看	precision deep hole drill with inside chip removal precision delay line precision delivery system precision depth graphic recorder precision depth recorder precision determination method precision device precision dial precision dial caliper precision diamond-wheeled surface grinding machine precision die forging precision difference pressure gauge precision differential manometer precision disc grinder precision display precision distance measurement precision distance measuring equipment precision distance measuring equipment, PDME precision Doppler VOR precision dose profile precision-dose profile precision drawing instrument set precision drill precision drill chuck precision drilling

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