英语词汇rough vacuum pump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	rough vacuum pump
释义	rough vacuum pump 简明释义粗真空泵网络释义 1 ?粗真空泵粗真空泵双语例句 1 LS series wet roots vacuum pump is a rough vacuum pumping equipment. LS型直排大气湿式罗茨真空泵属粗真空获得设备。
随便看	normal exocrine gland secretion Normal exocrine glandular function normal expected background leakage normal expected value normal expenditure normal experiment normal exponential valuation normal exposure normal expression line normal extension normal extension field normal extinction normal eye normal failure period normal fall normal family normal family of function normal family of function normal fanshaped fold normal fanshaped fold normal fan shaped fold normal fatty acid normal fault normal faults normal fault scarp

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。