the most common type encountered is the rectangular frame constructed of four support blocks suitably mounted on a back plate .

最常用的类型是矩形框架由适当地安装在底板上的四块支撑块组成。

changed the location of the keyhole in the back plate to 7「 from the edge. please note」.

改变后板孔的位置，离边缘要有7英寸，请注意。

in addition, because the two pieces of the lateral box plates and the back plate are in demountable connection by the bolts, the conveying and the storing are very convenient.

另外，由于二个侧箱板与后端板通过螺检构成可拆卸连接，因而，搬运存放极为方便。

iron back plate for metal pad is plated by copper to make better welding with friction material.

金属垫铁背板被镀铜作出更好的焊接的摩擦材料。

no back plate growing method is to electroform metal microstructure on the metal substrate directly by low-cost uv-liga technology based on su-8 photoresist.

无背板生长法是利用su-8光刻胶，通过低成本的uv-liga技术，直接在金属基板上电铸镍图形来实现的。

the draw-out socket has the back plate for isolating the copper bar of the main circuit, which take the role of safety protection when the circuit breaker is drew out.

抽屉式断路器的抽屉座 draw-outsocket of draw-outcircuit breaks抽屉式断路器的抽屉座具有隔离主回路母排的挡板，当断路器抽出时起安全保护作用。

the back plate and the connecting plate are welded on the connector, and the connecting plate is opened with a screw hole for connecting the bed accessory.

所述压板及连接板焊接在连接体上，连接板上开有用于与床体附件连接的螺纹孔；

advantage: frame can open, make replacing hammer head, back plate and lining board work easier.

优势：机架可以开启，使得更换锤头、反击板及衬板的工作更加简便易行。

the power supply back plate component has the advantages of small size, high power, relatively simple structure, low cost and the like.

此产品具有体积小、功率高、结构相对简单，成本低等优点。