Analyses the causes of smoke condensation and corrosion in gas-fired hot water boilers. Points out preventing measures in boiler design and operation.是什么意思_Analyses the causes of smoke condensation and corrosion in gas-fired hot water boilers. Points out preventing measures in boiler design and operation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句