spring opening是什么意思

用法例句

Study on Mode of Rural Land Consolidation in Quanyan Town, Erdao, Changchun City;

长春市二道区泉眼镇农地整理模式研究

Integrative evaluatation of eutrophication and floating alga community analysis of Xi-quanyan reservior;

西泉眼水库富营养化状况及浮游藻类群落分析

Study on variational trend evaluation of water quality of Xi-quanyan reservior;

西泉眼水库水质变化趋势评价研究

The determination of control time and control water level during flood in Xiquanyan Reservoir of in 2004;

西泉眼水库2004年汛期控制时段的划分与限制水位的确定

Analysis and design for the hydrological measure and prodictin system jury plan to get through the flood period in Xiquanyan Reservoir;

西泉眼水库水文测报系统应急度汛方案分析设计

This paper set forth the work principles of EM34-3 Type earth conductivity detector;and analysed the detecting results of dam leakage at Xiquanyan Reservoir.

简述了EM34-3型大地电导率仪的工作原理,对西泉眼水库大坝渗漏检测结果进行了分析,为大坝除险加固工程设计提供依据。