Electro liquid control plug valve is the high and new technical equipment applied in FCC unit in recent years.

电液控制塞阀是近年来应用于流化催化裂化装置的高新技术设备。

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Electro liquid control plug valve is the high and new technical equipment applied in FCC unit in recent years.

电液控制塞阀是近年来应用于流化催化裂化装置的高新技术设备。

youdao