1.
Classification of degrees of protection provided by enclosures for luminaires
GB7001-1986灯具外壳防护等级分类
2.
Test probes to verify protection by enclosures
GB/T16842-1997检验外壳防护用的试具
3.
Dust and fog protected under sealed condition, IP44.
独特的密封式设计，防尘、雾，防护等级IP44。
4.
Blast-resistant Simulation Analysis of Protective Metal Crust under Impact Load
冲击载荷作用下金属防护外壳的防爆仿真分析
5.
Study On The Status Of Know Rate Of Hepatitis B And Occupational Control Behavior In Medical-Staff
二、三级甲等医院医护人员乙肝防治知识及职业防护技能调查
6.
The Stability Analysis & Protect Designing for High Side Slope of Superhighway in Mountain Area;
山区高等级公路高边坡稳定性分析及防护设计
7.
Study on the Designing Method of the Composite Materials Guardrail of Highway;
高等级公路复合材料防撞护栏设计方法研究
8.
Application of Information Resource Panning Technology in Multi-Level Protection
等级防护下信息资源规划技术应用研究
9.
Ecological Protection of Expressway Soil Slope
高等级公路土质边坡生态防护技术初探
10.
Research on Graded Network and Information System Security Defense Mechanism
等级化网络及信息系统安全防护体系研究
11.
Research Advance in Security Protection Performance of Nuclear Power Plant Containment under Exogenous Events
核电站安全壳在外来事件作用下的安全防护性能研究进展
12.
Survey Research on Occupational Exposure and Security Protection of Nurses in Different Hospitals
不同等级医院护士职业暴露安全防护相关情况的调查
13.
light in a transparent protective case.
有透明保护外壳的灯。
14.
On the Performance Determination of External Anticorrosive Coating and the Antiseptic Rank Assessment of Buried Pipeline in Service
在役埋地管线外防腐层的性能测定与防腐等级评估
15.
Research on the Efficiency of the Nursing Human Resources in Cardiovascular Surgical ICU of Twelve Grade Ⅲ-A Hospitals;
十二所三级甲等医院胸外科监护病房护理人力资源效率研究
16.
Slope Stability Analysis and Ecological Protection Design of Classified Highway;
高等级公路岩质边坡稳定性分析和生态防护设计研究
17.
Dynamic Optimal Design and Integrated Control System of Cut Slope on High-type Highway;
高等级公路路堑边坡动态优化设计及综合防护系统研究
18.
Causes of Early Damages on High-class Highway Pavement,its Preventive Measures and Maintenance
高等级公路路面早期破坏原因及预防性施工和养护对策