“drawhole”的概念、定义、翻译、参考文献-科学参考

单词	drawhole
释义	drawhole [`drȯ´hōl] ^{MINING ENGINEERING} The aperture in a battery through which coal or ore is drawn.
随便看	drift transistor drift tube drift ultrasonic flowmeter drift velocity drift wave Drilidae drill drillability drill angle gage drill bit drill cable drill capacity drill carriage drill chuck drill circuit drill collar drill column drill cuttings drill doctor drill drift drilled caisson drilled extrusion ingot driller driller's method drill extractor

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