常見例句雙語例句There is obvious rotary movement of air in valve cavity .氣體在氣閥腔內(nèi)已有明顯的旋流運(yùn)動(dòng)。Basic device: An air-lock rotary valve and a high-volume and low pressure blower.基本裝置：氣鎖的回轉(zhuǎn)閥，低壓大風(fēng)量機(jī)。According to the invention, there is a rotary valve (48, 49) arranged in the housing (42, 43) for the provision of two alternative flow paths of the air through the housing (42, 43).根據(jù)本發(fā)明，在外殼（42，43）中，布置有 旋轉(zhuǎn)閥（48，49），用于提供通過外殼（42，43）的空氣的兩個(gè)可選擇流動(dòng) 通路。ip.com 返回 rotary air valve