1.
Protective coverings for electric cables-General
GB/T2952.1-1989电缆外护层总则
2.
Protective coverings for electric cables-Specific protective coverings for oil-filled cables with lead sheath
GB/T2952.4-1989电缆外护层铅套充油电缆特种外护层
3.
Protective coverings for electric cables-General protective coverings for cables with non-metallic sheath
GB/T2952.3-1989电缆外护层非金属套电缆通用外护层
4.
Protective coverings for electric cables-General protective coverings for cables with metallic sheath
GB/T2952.2-1989电缆外护层金属套电缆通用外护层
5.
Test method for determining mechanical and physical properties of electric cables and wires--Test for copper naphthenate content of protective coverings
GB/T2951.24-1994电线电缆机械物理性能试验方法外护层环烷酸铜含量试验
6.
An additional, protective coating, as of paint.
保护层，护膜如一层额外的、保护性的涂料
7.
an outer layer or coating applied to a surface for protection or decoration.
"装在外面的外层或薄层,为了保护或装饰."
8.
A protective sheath enclosing the embryonic root of grasses.
胚根鞘裹在草的芽根外层的保护鞘
9.
a covering that protects the outside of a building.
保护建筑外表的一种覆盖层。
10.
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
11.
A protective covering that encases the eggs of some insects and fish.
卵的保护外壳能包裹某些昆虫和鱼卵的一层保护性外壳
12.
A protective sheath enclosing the shoot tip and embryonic leaves of grasses.
胚芽鞘裹在草的芽尖和胚芽外层的保护鞘
13.
(botany) outer tissue of bark; a protective layer of dead cells.
（植物学）树皮组织外部的；由死细胞组成的保护层。
14.
This prehistoric animal grew a thick protective covering.
这种史前动物长着一层厚厚的保护性外皮。
15.
Epidermis The outer protective layer of cells in plants.
表皮：是位于植物体的最外方的保护层细胞。
16.
The Analysis of Heat Transfer in Thermal Bridge of External Wall Corner in the Enclosure of Multi-story Building;
多层建筑围护结构外墙角热桥传热分析
17.
Survey and Protection of Occupational Risks among Cleaner Employee in Grass-roots Hospitals
基层医院外聘保洁人员的职业危害调查与防护
18.
Current Status and Development of External Anti-corrosion Coating Technology for Long Distance Transmission Pipelines
长输管线外防护涂层技术的现状与发展探讨