“top cut”的概念、定义、翻译、参考文献-科学参考

单词	top cut
释义	top cut [¦täp ´kǝt] ^{MINING ENGINEERING} A machine cut made in the coal at or near the top of the working face in a mine.
随便看	pear-shape cut Pearson Type I distribution pea-soup fog peat peat ball peat bed peat bog peat breccia peat coal peat flow peat formation peat moor peat moss peat-sapropel peat slime peat soil peat tar peat wax Peaucellier linkage peau de soie pebble pebble armor pebble bed pebble-bed reactor pebble coal

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