求翻译：重整反应是强吸热反应，为了维持较高的反应温度和反应速度，一般采用三至四个反应器串联，反应器间有加热炉加热原料至所需的反应温度，通常在四个反应器中加入的催化剂量之比为 1:1.5:2.5:5，反应器的入口温度一般为480～520℃是什么意思？

Reforming reaction is strongly endothermic reaction, in order to maintain a high reaction temperature and reaction speed, generally three to four reactors in series, between the reactor furnace heated to the desired reaction temperature of raw materials, usually in the four reaction control the amou

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Rallies the response is the strong endothermic reaction, in order to maintain the high reaction temperature and the reaction rate, uses generally three to four reactor series, between the reactor has the heating furnace to heat up raw material to the reaction temperature which needs, usually ratio o

Re-engineering is strongly endothermic reactions, in order to maintain high reaction temperature and reaction speed, generally three to four reactors in series, reactor room with heating furnace heating of raw material to the desired temperature, usually in four reactors including the ratio of the a

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