longwall coal cutter
longwall coal cutter
[′lȯŋ‚wȯl ′kōl ‚kəd·ər] (mining engineering)
Compact machine driven by electricity or compressed air which cuts into the coal on relatively long faces, with its jib at right angles to its body.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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