Background Whether it is a trunk line or a metropolitan area network, underground pipe hole resources are very tight. Compared with ordinary cables, the use of air-blown micro-cables can save nearly 50% of the resources in pipe holes. Ang karaniwang istraktura ng air-blown micro-cable system ay mother pipe-micro-pipe-micro-cable. Ang tubo ng ina ay maaaring ilagay sa butas ng kongkretong tubo, at ang bagong routing construction ay maaari ding isagawa. Sa nakalagay na HDPE o PVC parent tube, o paunang ilagay ang parent tube at micro-tube sa bagong gawang optical cable na ruta, pwede itong i-blow through the tube or blown...