You say that you are the Yao righteousness company, Sun Jia, of country's Di, I also believe you.

你说你是尧国义商孙家的嫡孙，我也信你。

youdao

According to repairing supporting engineering of 1070 roadway in Wei Jia-di Coal Mine, stability failure mechanism of soft rock roadway engineering under complex stress conditions is analyzed.

针对魏家地煤矿1070巷道返修工程，分析了复杂应力条件下软岩巷道破坏机理。

youdao

According to repairing supporting engineering of 1070 roadway in Wei Jia-di Coal Mine, stability failure mechanism of soft rock roadway engineering under complex stress conditions is analyzed.

针对魏家地煤矿1070巷道返修工程，分析了复杂应力条件下软岩巷道破坏机理。

youdao