DRILLABILITY OF ROCKS IN PERCUSSIVE DRILLING FROM ″ENERGY PER UNIT VOLUME″ AS DETERMINED WITH A MICROBIT.

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|
作者：
Paithankar, A.G.
Misra, G.B.
机构：
来源：
Mining Engineering | 1980年 / 32卷 / 09期
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Compendex;
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摘要：
ROCK DRILLING
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页码：1407 / 1410
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