It is used for high pressure steam of thermoelectricity station sealing steam hot water, hot oil, petroleum, hydrocarbon, chemistry solve.是什么意思_It is used for high pressure steam of thermoelectricity station sealing steam hot water, hot oil, petroleum, hydrocarbon, chemistry solve.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句