Cable transfer box is a trunk for the trunk cable, wiring layer cable to provide fiber optic cable into the end, the transfer of the transfer device. What is the meaning of the end of this sentence? What is the meaning of the end of the cable? (5 points) Please answer in detail. More
The quality of the wire tube is too bad! Depends on the degree of flat, if not affect the use of no relationship, such as the impact of threading or over the water will use the hammer to cut after the re-open.
Concrete pouring time is at night, the temperature is low, until after solidification due to temperature effect expansion, resulting in PVC pipe is squeezed. Can not wear the line only chisel or slotted separately embedded, after the attention of pouring time, temperature problems, but also to consider the quality of PVC pipe.
