一种用于注射设备的按钮连接，包括按钮(10)和驱动部件(20)。

A push button connection for an injection device comprising a push button (10) and a driving part (20).

youdao

一个按钮连接到了log_timestamp方法；另一个连接到了QWidget类的close方法。

One button is connected to the log_timestamp method; the other to the close method of the QWidget class.

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他把连接报警按钮的电线扯掉了。

He ripped away a wire that led to the alarm button.

《柯林斯英汉双解大词典》