indicator button的意思|示意

美 / ˈɪndɪˌkeɪtə ˈbʌtən / 英 / ˈɪndɪˌketɚ ˈbʌtn /

指示器按钮

Pull air pump handle and pump it repeatedly until the vacuum indicator button goes completely down.

每次拉动手柄,真空显示钮(深蓝色)自动降低,直至完全平降即可.

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