phytobenthon是什么意思

用法例句

From the principles of momentum, a calculation equation has been derived for the sunken boat load on underwater sunk tube tunnel or shield driving tunnel.

从动量原理出发导出水底沉管隧道和盾构隧道的沉船荷载计算公式 ;以某河口附近可能沉船情况为例 ,计算沉管和盾构隧道的沉船荷载。

Reliability analysis of the steadiness of impervious base;

煤层隔水底板稳定性可靠度分析

Experimental study on the uplifting force of the pervious slabs in plunge pool;

水垫塘透水底板上举力试验研究

Based on the model test, the characteristics of the load acting on the pervious slab in plunge pool are studied in this dissertation.

本文以模型试验为基础,研究了透水底板防护结构的水动力特性。

Depending on the model test and numerical simulation,the hydrodynamic characteristics of the pervious slab in inverted-arch plunge pool were studied in this paper.

本文基于模型试验并结合数值模型研究了反拱透水底板的水动力特性。

The increasingly decrease of the river-bed elevation,caused by sand dredging,results in the crack of the draft-tube floor in Tinghu Power Station,which is disadvantegeous to the power station safety.

艇湖水电站下游河床受挖沙影响,河床高程持续下降,致使电站尾水底板出现裂缝,部分塌陷,已危及电站安全。

The evacuation methods of city underwater tunnel and drilling on safety slide;

城市水底隧道人员疏散方式及模拟演习观测结果分析

It is suggested that underwater tunnel should be adopted to cross the Yangtze River while the Beijing-Shanghai High-Speed Railway was being built.

建议修建京沪高速铁路时采用水底隧道越过长江。