Mechanized conservation tillage technique has been studied in Linfen, Shanxi province for many years.
机械化保护性耕作技术在山西临汾开展研究已经有多年了。
The Hengquan reservoir is a middle-sized reservoir with the highest height and largest area adopting the plastic concrete cut-off wall in Shanxi Province for many years.
横泉水库是山西省多年来采用塑性砼防渗墙面积和高度最大的一座中型水库。
For many years there has been serious unemployment in this province.
多年来这个省一直有严重的失业现象。
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