| 单词 | hitch |
| 释义 | hitch [hich] GEOLOGY 1. A fault of strata common in coal measures, accompanied by displacement. 2. A minor dislocation of a vein or stratum not exceeding in extent the thickness of the vein or stratum. MINING ENGINEERING 1. A step cut in the rock face to hold timber support in an underground working. 2. A hole cut in side rock solid enough to hold the cap of a set of timbers, permitting the leg to be dispensed with. |
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