备用控制面板。它的按钮、显示灯和操作杆都更少，但同样能够进行主要的操作。

The reserve control panel. It has fewer buttons, lights and levers, but it is still able to make the main operations.

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备用密封件是阀帽(12)内主阀杆密封组件(20)的二级密封。

The backup seal is secondary to the main stem seal assembly (20) in the bonnet (12).

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我还曾用在甲板盖和橡胶插头下的主杆上，备用轮胎上，最近我用它从内部来处理了侧板锈。

I also have used it in the deck lid and the trunk under rubber plugs, in the spare tire well, and to treat recent quarter panel rust repair from the inside.

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