“bench”的概念、定义、翻译、参考文献-科学参考

单词	bench
释义	bench [bench] ^GEOLOGY A terrace of level earth or rock that is raised and narrow and that breaks the continuity of a declivity. ^{MINING ENGINEERING} 1. One of two or more divisions of a coal seam, separated by slate and so forth or simply separated by the process of cutting the coal, one bench or layer being cut before the adjacent one. 2. A long horizontal ledge of ore in an underground working place. 3. A ledge in an open- pit mine from which excavation takes place at a constant level.
随便看	tabulating card tabulating equipment tabulating system tabulation character tabulator tabun TAB vaccine Tacan tache noire Tachinidae tachiol tachometer tachycardia tachy-electromagnetic pulse Tachyglossidae tachyhydrite tachylite Tachyniscidae tachyon tachyphylaxis tachypnea tachysterol tachytely tack tack coat

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