| 单词 | three-shift cyclic mining |
| 释义 | three-shift cyclic mining [`thrē ¦shift `sī·klik `mīn·iŋ] MINING ENGINEERING A system of cyclic mining on a longwall conveyor face, with coal cutting on one shift, hand filling and conveying on the next, and ripping, packing, and advancement of the face conveyor on the third shift. |
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