“coal planer”的概念、定义、翻译、参考文献-科学参考

单词	coal planer
释义	coal planer [`kōl ´plān·ǝr] ^{MINING ENGINEERING} A type of continuous coal mining machine for longwall mining; consists of a heavy steel plow with cutting knives, with power equipment to drag it back and forth across a coal face.
随便看	London penetration depth London shrinkage London superconductivity theory London superfluidity theory lone-pair electrons long-base-line system long bone long card long clay long column long-conductor antenna long-day plant long discharge long-distance loop long-distance navigation long-distance xerography longeron long-flame burner long-haul carrier system long-haul radio long hole long-hole drill long-hole jetting long hundredweight Longhurst-Hardy plankton sampler

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