本文通过高真空气动挡板阀的数据分析来说明漏率和升压率在高真空范围内二者之间的差异。
The difference between leak rate and rate of pressure rise of high vacuum pneumatic operation baffle valve is analyzed.
我猜这个工具不会超出实验工作台的范围以内，但实际上它是一件厨具，使用的是真空设计技术。
It would not look out of place on a lab bench, but is actually apiece of kitchen equipment designed for a technique called sous-vide (French for "under vacuum").
购买支付能力范围之内的最好真空吸尘器。
应用推荐