英语词汇“roughing pump”的读音、翻译、释义、用法及例句-智慧网

词汇	roughing pump
释义	roughing pumproughing pump1.■低真空泵
随便看	vane-wheel method vane-wheel type flowmeter vane-wheel type water meter Vaneyellidae Van Fleet van freight container vang Vanghetti's prosthesis van gogh van Grevaldvon Gierke's disease vanguard vanguardism vanguard system vanguard technology vanhorniidae vanidene Vanikoridae Vanikoro Vanikoro cancellata vanilate vanilione vanilla Vanilla Vanilla annamica vanilla bean

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