The switch — help will print a list of available methods.

该开关-帮助会打印可用的方法列表。

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A switch control is intended to offer a simple choice within a list.

开关控件是用来在列表中提供简单选择的。

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Select the type of limit switch from the drop-down list.

从下拉列表中选择限制开关类型。

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Switch it to the closed list.

把它放入封闭列表。

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Switch it to the closed list.

把它放入封闭列表。

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