在这里，您可以看到安装戒指显示的位置，孔被钻。

Here, you can see the installation rings indicating the location of the holes to be drilled.

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下列草图中显示三种可接受的安装位置。如果容器或热水器上有特制的安装孔，最好按照图1的显示的安装位置安装。

Three acceptable positions for installing are shown in sketches below. Figure 1 installation is preferred when a special tapping is provided in the tank or heater.

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在双面线路板上安装电容器时，电容器的安装位置应避开多余的基板孔和过孔。

While mounting capacitors on double-side PC board, the capacitors should be away from those unnecessary base plate holes and connection holes.

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