There used to be a touch - tone phone in my house.

我家过去有一部按钮 式 电话机.

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Information is needed as to how the touch - tone phone can be used in medicine.

需要有关怎样在医学上使用按钮电话的资料.

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A decision will be taken as to how the touch - tone phone can be used in medicine.

将就怎样在医学上使用按钮电话作出决定.

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