Butler and Shift Leaders should enter the room if no one answers the phone.
在此情况下，如客房电话无人应答，客房专职管家及其领班应进入房间。
The shift register is a device in which information may enter sequentially or in parallel.
移位寄存器是一种能以串行和并行方式输入信息的装置。
The shift register is a device in which information may enter sequentially or in parallel.
移位寄存器是一种能以串行和并行方式输入信息的装置。
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