济三 meaning in Chinese

seizo

To offer the four benefactors , to bless the three worlds of misery ,
下济三苦报四恩
Prediction model of mining subsidence for
济三煤矿3下煤层开采沉陷预测模型
Control analysis and treatment measures of the water in structural crevices at jisan coal mine
济三煤矿构造裂隙控水分析与水害防治
Observation and research on surface movement deformation of the 4301 face in jisan coalmine and the high - voltage poles
济三煤矿4301工作面地表移动变形及高压线杆观测研究