“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	calypter Calypteratae Calyptoblastea calyptra calyptrate calyptrogen Calyssozoa calyx calyx drill calyx tube Calzecchi-Onesti effect CAM Cam cam cam acceleration Camacolaimoidea Camallanida Camallanoidea camanchaca Camarodonta camarodont dentition Cambaridae Cambarinae camber camber angle

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