日韩高清无码不卡_凹凸午夜福利正品导航_天天传媒成人无码影视_国产精品白丝喷水在线_日本欧美性爱网一区_国产精东传媒丝袜二区_熟妇激情中文字幕_好色先生免费下载app_图区自拍亚洲小说_午夜一级毛片免费的网址

Glass rotor flow meter is used to measure the air flow of nebulizer, suction pump etc., to ensure the air flow performance of products.

Adujust the product to the specified voltage,  connect the pressure/flow meter with the standard fixture.  Switch the product, check the air flow and ensure it is within the standard range.