PWHT can not change the carburetted layer and decarburization layer, and the transference of carbon can aggravate under a certainty temperature.是什么意思_PWHT can not change the carburetted layer and decarburization layer, and the transference of carbon can aggravate under a certainty temperature.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句