“cover hole”的概念、定义、翻译、参考文献-科学参考

单词	cover hole
释义	cover hole [`kǝv·ǝr ´hōl] ^{MINING ENGINEERING} One of a group of boreholes drilled in advance of mine workings to probe for and detect water-bearing fissures or structures.
随便看	timelike path timelike surface timelike vector time line time-mark generator time measurement time meridian time modulation time-motion study time-multiplexing time-of-day clock time of delivery time of flight time-of-flight mass spectrometer time-of-flight spectrometer time of origin time of receipt time of set time on target timeout time over target time phase time phasing time-projection chamber time-pulse distributor

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