manual telephone

On the manual warning button has the fire prevention telephone jack.

手动报警按钮上带有消防电话插孔.

The importance of test on power system dispatching telephone and the disadvantage of manual test make the dispatching telephone auto-test system a valuable system.

电力系统调度电话测试的重要意义及人工测试的缺点使得采用计算机实现调度电话自动测试的系统具有非常高的实用价值。

Even overseas hotels also adopt this mode. Customers put in order form first. Then the platform confirm and alternate information through manual telephone or fax.

即便在海外也是如此：先提交订单，再通过电话传真等形式确认和交互信息。

A standard element of technology that can be traced to 1878 and the invention of the manual telephone exchange, the jack is apparently going the way of the floppy disk and the folding map.

这一标准技术元素可追溯至1878年，来自人工电话交换系统。它似乎正在步入软盘和折叠地图的后尘。

Manual mobile telephone system

移动式人工电话系统