单词 | main-rope haulage system |
释义 | main-rope haulage system [`mān ´rōp `hȯl·ij ´sis·tǝm] MINING ENGINEERING A system of haulage for hauling loaded trains of tubs or cars up, or lowering them down, a comparatively steep gradient which is not steep enough, in the latter case, for a self-acting incline. |
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