硬件抽象层共分为内部通信模块、虚拟驱动模块和设备管理模块三部分。

Hardware Abstraction Layer has three models of internal communication, virtual driver and equipment management.

youdao

负责接听控制台电话，管理客房部内部以及对外通信，并对客房部提供文书服务。

Responsible for attending to the control desk telephone, communication within Housekeeping and between Housekeeping and other departments as well as clerical services of the Housekeeping department.

youdao

负责接听控制台电话，管理客房部内部以及对外通信，并对客房部提供文书服务。

Responsible for attending to the control desk telephone, communication within Housekeeping and between Housekeeping and other departments as well as clerical services of the Housekeeping department.

youdao