“trunk roadway”的概念、定义、翻译、参考文献-科学参考

单词	trunk roadway
释义	trunk roadway [`trǝŋk `rōd´wā] ^{MINING ENGINEERING} The main developing heading from the pit bottom and is usually driven along the strike of the coal seam.
随便看	cesium-beam atomic clock cesium-beam atomic oscillator cesium-beam sputter source cesium-beam tube cesium bromide cesium carbonate cesium chloride cesium electron tube cesium fluoride cesium hollow cathode cesium hydroxide cesium iodide cesium-ion engine cesium magnetometer cesium perchlorate cesium phototube cesium sulfate cesium thermionic converter cesium-vapor lamp cesium-vapor Penning source cesium-vapor rectifier cespitose cesspit cesspool Cestida

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