Selecting method of spray nozzle reducing expenses, using a pair of neck bearing and a pair of thrust bearing to compose with aerostatic main axle.是什么意思_Selecting method of spray nozzle reducing expenses, using a pair of neck bearing and a pair of thrust bearing to compose with aerostatic main axle.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句