1.
enclosed in a package or protective covering.
放在包裹或防护层里的。
2.
Research on the Corrosion Mechanism of Galvanization Vessel and Its Resistent Zinc Coatings;
锌锅腐蚀机理及耐锌蚀防护层的研究
3.
The Attenuation and Dispersion Effects on Explosive Wave of Layered Protective Engineering;
分层防护层对爆炸波的衰减和弥散作用研究
4.
Study on thermal protective performance of outer fabrics in firefighter clothing
消防服用外层织物的热防护性能研究
5.
The Successive defence of Excel and Safety Measures of Working Book;
Excel的层层设防与工作簿的安全保护
6.
Advanced Two Layer Polyethylene Pipeline Protective Coating Technology
先进的两层聚乙烯管线防护涂层技术
7.
Development of Diffusion Barrier in High Temperature Coating Systems
高温防护涂层扩散阻挡层的研究进展
8.
Switch your deflectors on.Double front!
设定防护装置，双层前护网
9.
a razor with a guard to prevent deep cuts in the skin.
有防止对皮肤深层伤害的防护装置的剃刀。
10.
The Current Situation and Problem Solving Study of Hygiene and Epidemic Prevention for the Armed Force at Basement Layer
基层部队卫生防疫防护保障现状和对策研究
11.
a covering that is intend to protect from damage or injury.
防止破坏或受伤的一种保护层。
12.
Research on Properties of the Shield Coating Used on Large Oil Storage Facilities;
大型储油设施安全防护涂层性能研究
13.
alysis the Reason of the Protective Layer of Concrete Invalidation and Prevention;
混凝土构件保护层失效的成因及防治
14.
Testing and analysis on wet thermal protective performance of single layer fabrics
单层织物湿态热防护性能测试与分析
15.
Application of Sandwich Panel in Anti-shock Design of Warship’s Side Structure
夹层板在舰船舷侧防护结构中的应用
16.
The Study on the High-temperature Oxidation-resistant Coating on Niobium and Nb-base Alloy
铌及铌合金高温抗氧化防护涂层研究
17.
A Study on Protection and Security Management of Tuberculosis Laboratory at Grass-root Level
基层结核病实验室的防护与安全管理
18.
Research of Network Security System in Campus Network Based on the Multi-level Defense
基于多层防护的校园网安全体系研究