Whenever such separate compressed air system for cleaning cannot justified, transvector nozzles can be installed for the compressed air cleaning hoses, to minimise the compressed air consumption.是什么意思_Whenever such separate compressed air system for cleaning cannot justified, transvector nozzles can be installed for the compressed air cleaning hoses, to minimise the compressed air consumption.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句