试题与答案

聚丙烯装置所用冷却水压力一般为()MPa。

题型:填空题

题目:

聚丙烯装置所用冷却水压力一般为()MPa。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:初见于唐代。榻作长方形,平面上两边各刻横线十一条,四边各有莲花瓣形镂孔。

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