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工作面直流电透视法
释义
工作面直流电透视法
Encyclopedia
理学
全空间直流电场
释
direct-current transmitting methods of working face
工作面直流电透视法
在工作面一条巷道内布置供电单极或偶极,利用稳恒电流源在工作面内激励产生直流电场,而在另一条平行或相邻巷道中布置测量电极,通过观测电流场的异常变化,来探测工作面或其顶、底板岩层中隐伏地质构造的方法。
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Jacques Tati
Jacques Thibaud
JAD
jadder’s tongue,common adder’s tongue
jade-adorned sword of the Han Dynasty
jade and nephrite deposit
Jade Animation Design Company
Jade Articles of Three Kingdoms,Two Jin Dynasties and Southern and Northern Dynasties
Jade Bead with Dragon and Phoenix Design of Sixteen Sections from Tomb of Marquis Yi of Zeng State
Jade Belt from Former Shu Wang Jian Tomb
jade belt in the Ming Dynasty
Jade Belt of Emperor Yangdi of the Sui Dynasty
jade bi disks
jade bi of the Han Dynasty
jade biqi of Erlitou Culture
Jade Bi with Pattern from Anxi Baimushan
jade burial suit of the Han Dynasty
jade carving
Jade Carving Dayu’s Flood Control
jade carving machine
Jade Carving Nine Oldmen in Huichang period
Jade Carving Qiushan Xinglv Tu
jade carvings in Fuhao's Tomb
jade carvings of Han Dynasty
Jade Carving Tong Yin Shi Nr Tu(A lady under the Shadan of the Chinese parasol tree)
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