Pessina D, Guerretti M. Electiveness of hearing protection devices in the hazard reduction of noise from used tractors agric. Environ Res 2000;75:73-80.是什么意思_Pessina D, Guerretti M. Electiveness of hearing protection devices in the hazard reduction of noise from used tractors agric. Environ Res 2000;75:73-80.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句