1.
"One Ventilation and Theer-prevention" Focus on Analysis of Ventilation and Exploration
“一通三防”重在通风的分析与探索
2.
three bay house
三泊位消防站线消防车(通常是1辆泵浦车
3.
"three connections and one leveling" assuring that a construction site is connected to water and electric power supplies and roads, and that the ground is leveled before a project is begun.
三通一平（水通、电通、路通、施工场地平）
4.
We have been able to slip there men through the enemy defences.
我们已使三个人通过了敌人的防守。
5.
The Third Generation Mobile Communication Technology in Fire Fighting
第三代移动通信技术在消防中的运用
6.
In general, there are three types of firewall implementations, some of which can be used together to create a more secure environment.
通常有三种类型的防火墙实现方案，有些是将几种类型一起使用，以确保建立一个更安全的环境。
7.
Constructing the Preventing System as“ Three Forming An Organic Whole”to Take Preeautions against Adolescent Offences;
构建“三位一体”防治网络 预防青少年违法犯罪
8.
Fraud Management and Prevention Measures in 3G Mobile Communication;
第三代移动通信中的欺诈管理与防范对策
9.
Modification of Lightning Protection in Communication System for Shisanling Pumped Storage Power Plant
十三陵蓄能电厂通信系统防雷技术改造
10.
Article33 In time of war, the communications, broadcasting and television systems must give first priority to the transmission and sending out of air defense warning signals.
第三十三条通信、播、视系统，战时必须优先传递、放防空警报信号。
11.
"The Third-Line Construction" of "the First-Line of National Defense"--A Study on the History of the Third-Line Construction in Yunnan
“国防一线”的“三线建设”——云南三线建设的历史研究
12.
Dialogue between China and Japan in Defence:Ups,Downs and Uncertainty;
中日防务交流:一波三折,乍暖还寒
13.
English expression of the Three-North Shelter Forest Program
关于“三北防护林”一词的英文表达
14.
Some Thoughts on Fire Control Safety of the"3 In 1"Areas
对“三合一”场所消防安全现状的思考
15.
The defence strategy of the Qi Great Wall boasts two features:one is the trinity of hillside field defence,Jishui defence and Huanghai defence;
齐长城的防御战略有两大特点,即:山地防御、济水防御、黄海防御三位一体的防御战略;
16.
The crowd moved aside to let the firemen get past.
人群靠向一边，让消防队员通过。
17.
When the bit goes through the BOP, slow down, please!
当钻头通过防喷器时，慢一点放。
18.
Water proof material is usually used for inner packing.
内包装通常采用一些防水材料。