To ensure operation of transmission line safely, the arcing gap of insulator was developed and install.是什么意思？

To ensure operation of transmission line safely, the arcing gap of insulator was developed and install.

为保证线路安全运行, 研制安装了保护绝缘子串的引弧间隙,并先后在锚塔和高塔上安装了避雷器.

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

ensure

vt. 确保，担保获得[避免]，使（某人）获得，使安全；

例句
...an effort to ensure that the disabled achieve real acceptance.
为确保残疾人真正得到接纳而作出的努力

operation

n. 操作，经营，手术，[数]运算，作用；

例句
...the operation a patient has had.
病人做过的手术

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

transmission

n. 播送，传送，（电台或电视）信息，传动装置；

例句
The BBC has just successfully demonstrated a new digital radio transmission system...
英国广播公司刚刚成功地演示了一套新的数字无线电传输系统。

line

n. 线条，排，行列，界线；vt. 排队，用线标出，沿…排列成行，给…安衬

例句
Every time I fluffed a line Lenny got me out of trouble with a brilliant ad-lib.
每次我台词出错时，伦尼都通过机智的临场发挥帮我解围。

safely

adv. 安全地，平安地；

例句
By day a woman could safely walk the streets, but at night the pavements became dangerous...
白天的时候，妇女可以安全地在街上行走，而到了夜晚人行道上会变得很危险。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

arcing

电弧放电，构成电弧，跳火，形成电弧；

例句
To ensure operation of transmission line safely, the arcing gap of insulator was developed and install.
为保证线路安全运行, 研制安装了保护绝缘子串的引弧间隙,并先后在锚塔和高塔上安装了避雷器.

gap

n. 缺口，分歧，间隔，美国休闲服饰品

例句
...the singer who bridged the gap between pop music and opera.
将通俗音乐与歌剧结合起来的歌手

insulator

n. 绝缘，隔热或隔音等的物质或装置，隔离者，隔离物，隔振子，隔电子；

例句
Fat is an excellent insulator against the cold.
脂肪是极好的抵御寒冷的绝热体。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

developed

adj. 先进的，发达的（国家或地区）；

例句
He had developed a slight American accent.
他说话带上了一点轻微的美国口音。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

install

vt. 安装，安顿，安置，任命，使…正式就

例句
Another change that Sue made was to install central heating.
休所作的另一个改变是安装中央供暖系统。