“airhole”的概念、定义、翻译、参考文献-科学参考

单词	airhole
释义	airhole [`er´hōl] ^{MINING ENGINEERING} A small excavation or hole made to improve ventilation by communication with other workings or with the surface.
随便看	trigonal planar molecule trigonal system trigone trigonite trigonometric cofunctions trigonometric functions trigonometric leveling trigonometric parallax trigonometric polynomial trigonometric series trigonometric substitutions trigonometry Trigonostylopoidea trigonous trihedral trihedral angle trihydroxyethylamine stearate triiodomethane triisobutylene trilateration trill trilling trillion Trilobita Trilobitoidea

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