Complete sealing construction, high overload capacity, high quality in power supply, high reliability in successive operation and simple maintenance.

全密封结构，过负荷能力大，提高供电质量，连续运行可靠性高，维护简单。

youdao

The ceramic shells for crystal oscillators and audiometers have characteristics of complete sealing, good strength, small volume etc. They are easy to fix and seal.

晶体振荡器、声表器件陶瓷外壳具有全密封，强度好，外形小等特点，便于器件安装和封盖。

youdao

Terminals: in explosive situations must complete sealing of the terminal box, the general situation can also be used heat shrink tubing and quick-drying silicone seal.

终端：在易燃易爆场合必须采用配套的终端密封盒，一般场合也可以采用快干硅胶和热缩套管密封。

youdao