EC 24. Lead in solders for the soldering to machined through hole discoidal and planar array ceramic multilayer capacitors.

通孔盘状及平面数组陶瓷多层电容器焊料所含的铅。

The devices eliminate the need for conformal coating, and can replace wire-leaded through-hole capacitors.

这些器件消除了对保形涂层的需要，可替代带引线的通孔电容器。

In those days, we still used through-hole parts.

在那些天，我们仍使用直插器件。

The test is applicable for through-hole versions.

测试是通过孔的版本适用。

Seal the external side of wall-through hole with sealant, putty, paint, etc.

用密封胶泥或油灰涂料等物封住室外侧的穿墙孔。

Feed electrical wires of new switch assembly through hole in rear of housing.

从壳后将新的开关总成的火线穿过壳上的孔.

Seal the external side of wall - through hole with sealant, putty, paint, etc.

用密封胶泥或油灰涂料等物封住室外侧的穿墙孔.

The technology of the plating through hole of the printed circuit board was briefly introduced The plating through hole technology of the microwave printed circuit board were also illuminated.

本文在简单介绍印制板孔金属化加工技术的基础上，对微波印制板孔金属化加工技术进行了较为详细的论述。

Could you tell me the price different between micro via PCB and through hole via PCB?

你能告诉我微过孔电路板与穿透式过孔电路板价钱的差别吗?。