laser levels

用法例句

On lightning withstand level of composite insulators;

合成绝缘子耐雷水平的探讨

The influence of the line arrester on the lightning withstand level of 35 kV transmission lines was simulated and calculated by electromagnetic transient software ATP-EMTP.

研究了在35 kV输电线路雷电"易击段"绝缘子串上并接线路避雷器来提高线路耐雷水平的方法。

There are two indexes to evaluate the power line performance on preventing lightning strikes: the one is the lightning trip-out rate,the other is the lightning withstand level of the power line.

衡量线路防雷性能优劣的重要指标有两个:一是线路雷击跳闸率;二是线路耐雷水平。

For the purpose of improving the ability of lightning protection for the high voltage power transmission line,taking account of the facts which influenced the lightning protection level,an assessment model was established and the comprehensive judgement on the lightning protection level was obtained by means of computers.

为了提高高压输电线路的防雷能力,通过对影响线路耐雷水平的各项因素的分析,建立了评价模型。

The formula for the calculation of the lightning protection level of the transmission line is revised by theoretic deduction for the rational determination lightning protection level and lightning trip-out rate of the transmission line.

为了合理设计输电线路的耐雷水平及雷击跳闸率,通过理论推导,修正了现有规程的输电线路耐雷水平计算公式。

Research on Factors Influencing Lightning Withstanding Level of Transmission Line in Heaviliy Lightning Areas

重雷区域输电线路耐雷水平影响因素的研究

Study on Improving Lightning Withstand Level of 330 kV Transmission Line with Line Arrester

线路避雷器提高330kV输电线路耐雷水平的研究

Comprehensive Research and Analysis on Lighting Withstand Level of Transmission Line

关于输电线路耐雷水平的综合研究分析

Analysis of mathematical model of lightning resistant level after replacing the insulator in electric transmission and transformation equipment

输变电设备更换绝缘子后耐雷水平的数学模型

Analysis on Measures of Improving Lightning Withstand Level of 10kV Overhead Insulation-covered Conductors

提高10kV架空绝缘线路耐雷水平综合措施分析

The Effect Correlative Factors on Lightning Withstand Level of UHV A.C. Transmission Line

特高压交流输电线路耐雷水平相关因素研究

Analysis of Lightning Shielding Failure Proof Level of UHV Transmission Lines Considering Corona Influences

冲击电晕对特高压输电线路绕击耐雷水平的影响分析

Study on Manufacture Technology of Composite Tropedo Shells under High Hydrostatic Pressure;

某型水雷复合材料耐外压壳体制造技术研究

Analysis of high level erythromycin resistance associated genes and horizontal gene transfer of Enterococcus faecium

耐红霉素屎肠球菌耐药基因及其水平转移研究

The Lightning Protection Research of 35kV Weiyu Line;

35kV魏玉线防雷水平的技术措施研究

Effect of the Horizontal Multi-layer Soil on Lightning Quantification

水平多层土壤对雷电定量精度的影响

That depends on your level of risk tolerance.

这就要看你对风险的耐受水平了。

testing method for flame resistance of cloth : horizontal method

织物耐燃烧试验法：水平法

Reasearch on horizontal transferred multi-drug resistance related gene fragment of Shigella

志贺菌耐多药相关基因水平转移研究

The Contrastive Research In Three Training Methods For Physical Endurance Improvement;

三种不同耐力训练方法对提高机体耐力水平的对比研究

Evaluation and Training Measures of Endurance Ability for Elite Swimmers;

对高水平游泳运动员耐力素质的评价和耐力训练手段的研究

To Step Forward to a Country with the World Class Skills--Review on Leitch Report of UK;

迈向“世界一流水平的技能”——简介英国的雷奇报告

Investigation and study the used state of Putonghua and the language concept for ZhanJiang s college students;

雷话方言区高师生普通话水平调查研究