图表示典型的清管器收发设施。

Figure shows typical launching and receiving facilities.

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设计并实现了高速半导体激光器调制驱动电路和光电二极管直接检测电路的收发合一模块。

The highspeed transceiver including semiconductor laser driving modulation circuit and photoelectric diode detective circuit are designed and realized.

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地下安装需设发射井，安装收发球筒及装卸清管器均不方便，现已不采用。

As silo is required and it is not convenient for receiver and launcher installation and pig disassembly, underground installation is not adopted now.

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