This paper outlines the modification design for the structure of thermocouple at the outlet of cracker, the selection of sealing materials for new type thermocouple and the operation condition.是什么意思_This paper outlines the modification design for the structure of thermocouple at the outlet of cracker, the selection of sealing materials for new type thermocouple and the operation condition.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句