According to GB/T 232-2015, when the sample with 1:1 (volume ratio) hot acid corrosion of hydrochloric acid aqueous solution is used, the solution temperature usually is ( ) ℃.
发布于 2021-02-17 04:51:29
【单选题】
A 60-70
B 70-80
C 60-80
D 80-90
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