问题
单项选择题
低压脱水装置：分子筛干燥塔为（）℃-270℃或230℃-250℃。
A.220
B.210
C.200
D.215
答案
参考答案：A
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低压脱水装置：分子筛干燥塔为（）℃-270℃或230℃-250℃。
A.220
B.210
C.200
D.215
参考答案：A
| 选词填空。 | |
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