The invention has the advantages of low manufacturing cost, rapid water lever dynamic response at high temperature, and lowerwaterlevel measurement error.
本发明制造成本低,高温时水位动态响应迅速,水位测 量误差小。
2
The impervious wall of this project is located in water bearing sand and gravel, the collapse hole takes place due to some factor affect, the deep well lowerwaterlevel measures are adopted.
本工程防渗墙在富含水砂卵砾石地层施工中,由于各种因素引起严重塌孔,施工中采用了深井井上降水措施。
3
The Balkhash lake, he said, was “losing water.” “The waterlevel is now lower by more than two metres to what it was three decades ago.