分选块煤所用的WT-8K机体段数为()A、一段 B、两段 C、三段 D、多段

题型:单项选择题

问题:

分选块煤所用的WT-8K机体段数为()

A、一段

B、两段

C、三段

D、多段

考点:重介质分选工考试重介质分选工考试题库
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