白土塔的温度是如何控制的?
参考答案:
白土塔的温度是利用温度控制器TRC-3301与白土塔物料加热器E-802管程二甲苯塔顶物流流控FRC-3302串级来控制的。
His father was really a ______ person. Once he made up his mind, nothing could change it.
A.clever
B.stubborn
C.brave
D.familiar
简述结肠癌诊断要点。