红线内已经考虑地下预埋电缆套管。
Underground electricity sleeve pipes inside the red line are foreseen.
然后，电缆接线头用穿过套管中心管的牵引绳小ln地拽出。
Then, cable lugs used through the traction rope sleeve center small LN tube pulled out.
然后，电缆接线头用穿过套管中心管的牵引绳小ln地拽出。
Then, cable lugs used through the traction rope sleeve center small LN tube pulled out.
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