1.
The first line is the firewall.
第一道防线是防火墙。
2.
Our troops have broken through the enemy's line.
我军冲破了敌人的防线。
3.
The fortification should be breached.
这一防线应该被攻破。
4.
The troops charged (at) the enemy lines.
部队进攻敌军防线.
5.
rake the enemy lines with machine-gun fire
用机枪扫射敌人的防线
6.
our penetration of the enemy's defences
我军对敌人防线的突破.
7.
Our line of defense was strongly fortified.
我们的防线壁垒森严。
8.
They broke through the enemy's defenses.
他们突破了敌人的防线。
9.
Our forces pierced through the enemy's lines.
我军突破了敌人的防线。
10.
Our army broke through the enemy lines.
我军突破了敌军防线。
11.
The Toyaku Line should be breached.
远役防线应该被攻破。
12.
(football) defensive players try to break through the offensive line.
（足球）防守队员试着去突破对方的防线。
13.
The covering on wires helps keep electricity in the right circuit.
导线的外皮防止电串线。
14.
Character of production: water proof, damp proof, mould proof, anti-ultraviolet radiation.
产品特征：防水，防潮，防霉，抗紫外线。
15.
Protection against damage for conductors during laying and straining in a mountainous area
山区放线、紧线过程中导线防损伤保护
16.
fire services radio communication system
消防无线电通讯系统
17.
damp-proof enamelled wire-wound resistor
防潮漆包线绕电阻器
18.
Electric sunroof in glass version
防紫外线电动玻璃天窗