1.
Blow-out proof shaft, retained with unique Guide Bar System.
防吹出轴，保留独特的保护杆系统。
2.
Install connecting rod bolt protectors on rod bolts.
在连杆螺栓上安装连杆螺栓保护件。
3.
A protective copper strip was hammered onto the end of the post.
标杆的顶端钉上了一块保护性铜条。
4.
The dangerous trail was railed to protect tourists.
这条危险的小道围了栏杆,以保护游客。
5.
Research on Protective Relay Scheme for 220kV Double Circuit Lines on the Same Tower;
220kV同杆双回线继电保护方案的研究
6.
The Study of Relay Protection for 500kV Honggou-Longwang One Tower with Double-Circuit Transmission Line;
500kV洪龙同杆双回线继电保护的研究
7.
Studies on Protectants for Preparation and Formulation of Bacillus Subtilis Bs-208;
枯草芽孢杆菌Bs-208制剂保护剂研究
8.
Progress on Major Protective Antigens of Mycobacterium bovis
牛分支杆菌主要保护性抗原研究进展
9.
Study of Protective Relay on Series Capacitor Compensated Lines & Study of Protective Relay and Reclosure on Double-circuit Lines on the Same Pole
串补线路继电保护的研究与同杆双回线继电保护及重合闸的研究
10.
The Estimation of Protective Efficacy of the Fusion Gene Vaccine Encoding Tubercle Antigen 85B and MPT64 in Mice Challenged with M.Tuberculosis;
结核分枝杆菌Ag85B-MPT64融合基因疫苗对鼠结核杆菌感染的保护作用
11.
Protection of mice immunized orally with recombinant Lactobacillus casei against E.coli K99
表达大肠杆菌K99重组干酪乳杆菌口服免疫小鼠的免疫保护性研究
12.
Research on Microprocessor-based Protective Relay for EHV Double Circuit Lines on Same Tower
超高压同杆并架双回线路微机保护的研究
13.
STUDIES ON THE REMOVAL OF ENDOTOXIN AND PURIFICATION OF PROTECTIVE ANTIGENS OF BORDETELLA PERTUSSIS
百日咳杆菌去内毒素及保护性抗原的纯化
14.
The Study on Identification of Protective Antigen in Fusobacterium Necrophorum and Gene Selection;
坏死梭杆菌保护性抗原确定与基因筛选研究
15.
The Cloning, Expression, Purification and Identification of Bacillus Anthracis Protective Antigen;
炭疽杆菌保护性抗原的克隆表达、纯化及鉴定
16.
The Study of Immunological Protection about Helicobacter Pylori oipA DNA Vaccine;
幽门螺杆菌oipA DNA疫苗的免疫保护作用研究
17.
Research on Relay Protection Test System for 500kV Double Circuit Placed at Same Tower;
500kV同杆并架双回线路继电保护测试系统的研究
18.
On the Relevance of Applying the Economic Lever and Facilitating the Environment Protection;
论运用经济杠杆与促进环境保护的关联性