问题
填空题
机台某日的平均岩心采取率是（）与当日进尺的百分比。
答案
参考答案：当日取出的的岩心长度
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机台某日的平均岩心采取率是（）与当日进尺的百分比。
参考答案：当日取出的的岩心长度
| 选出划线部分读音与其余三个不同的选项 | |||
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