本型电压互感器为全封闭结构。

The voltage transformer is fully enclosed structure.

本型电压互感器为外铁芯半封闭结构。

The voltage transformer is outside iron core and semi enclosed .

机体采用全封闭结构，且机架、机体均采用先进的喷塑工艺；

Machine body is totally-enclosed and frame and body adopts advanced plastic-spraying technique;

带隔热棉全封闭结构, 强力抽烟,外置冷却风扇.

With heat - insulated foam of fully sealed structure, it has strong pumping installation and external cooling fan.

常用的测量手征媒质特性的自由空间法和封闭结构法都有一些缺点。

Free--space and closed structure techniques are usually used in measuring chiral media.

常用的测量手征媒质特性的自由空间法和封闭结构法都有一些缺点.

Free -- space and closed structure techniques are usually used in measuring chiral media.