Underground and ground transfer system of gas, pipeline layout and underground gob distribution have briefly been introduced.
简要介绍了瓦斯在井下和地面运输中的输配系统、管道敷设以及井下采空区分布状况。
The distribution characteristics and laws of underground current for a change current system with the opposite direction are indicated in this paper.
本文阐明了反向变分流系统地下电流的分布特点和规律。
The further excavation of underground powerhouse will affect the stress distribution of system bolts and rock mass near crane girder.
地下厂房的继续开挖对于吊车梁系统锚杆和周围岩体的应力分布有较大影响。
Edison's system used a 110 V two-wire DC underground distribution network.
此爱迪生电力系统采用110伏两线制地下配电网。
Edison's system used a 110 V two-wire DC underground distribution network.
此爱迪生电力系统采用110伏两线制地下配电网。
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