Mainly USES in the steel structure constructing, the electric power tower, the communication tower and other mechanical profession plate class, Which is the best choice of plate drilling.
主要用于建筑钢结构、电力塔、通讯塔以及其它机械行业平板类，是平板材料钻孔的首选设备。
The icon should look like a broadcast communication tower as shown in Figure 25.
该图标看上去像一个广播通信塔，如图 25 所示。
That's why a message is so limited in length: it must not exceed the length of the message used for internal communication between tower and handset to set up a call.
这就是为什么短信长度如此受限：它不能超过用于基站和手机间内部通信的消息的长度。
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