jisan 中文意思是什麼
jisan
解釋
二三-
Control analysis and treatment measures of the water in structural crevices at jisan coal mine
濟三煤礦構造裂隙控水分析與水害防治 -
Observation and research on surface movement deformation of the 4301 face in jisan coalmine and the high - voltage poles
濟三煤礦4301工作面地表移動變形及高壓線桿觀測研究
分享友人