当前位置：在线题库搜索＞[单选题]《煤矿安全规程》规定，中厚煤层工作面采出率不应小于（）的答案是什么？
问题：
[单选题]《煤矿安全规程》规定，中厚煤层工作面采出率不应小于（）
A、0.93
B、0.95
C、0.97
D、0.99
参考答案：
B
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