coarse vacuum pump中文是什么意思

• 低真空泵

• coarse    adj. 1.粗糙的，粗劣的，粗制滥造的，下等的。 2. ...
• vacuum pump    真空泵，真空抽气机。
• coarse vacuum    粗真空；前级真空; 低真空
• pump, vacuum    真空泵
• to vacuum pump    接真空泵
• vacuum-pump    真空泵,排气唧筒
• fuel pump with vacuum pump    带真空泵的燃油泵
• absorption vacuum pump    吸附真空泵
• adsorption vacuum pump    吸附真空泵
• backing vacuum pump    前级真空泵
• booster vacuum pump    增强奇空泵
• centrifugal vacuum pump    离心式真空泵
• compressor vacuum pump    压气机真空泵
• constant vacuum fuel pump    连续真空燃料泵
• diffusion vacuum pump    扩散真空泵; 真空扩散泵
• dry vacuum pump    干式真空泵; 干真空泵
• ejector vacuum pump    喷射真空泵
• engine driven vacuum pump    机动真空泵
• engine-driven vacuum pump    机动真空泵
• fore vacuum pump    前级真空泵
• gas ballast vacuum pump    气镇真空泵
• hand-operating vacuum-pump    手动真空泵
• high pressure vacuum pump    高真空泵
• high vacuum diffusion pump    高真空扩散泵
• high vacuum pump    高度真空泵; 高填空泵; 高真空泵