underground cable line 中文意思是什麼
underground cable line
解釋
地下電纜線路- underground : adj 1 地（面）下的。2 隱蔽的，秘密的。3 （電影，報刊等）標新立異的，試刊的，試驗性而非正式的。4 ...
- cable : n 凱布爾〈姓氏〉。n 1 【造船】錨鏈，錨索，（周長10英寸以上的）左捻三根三股索；粗索，巨纜；鋼絲繩...
- line : n 1 線；繩索；釣絲；測深度用繩，捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
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Power cable route protection zone : the areas between two parallel lines formed by 0. 75 meters on both sides of the ground mark of underground cable route ; for sea - bottom cables, the zones should be the water surface between the two parallel lines formed by two nautical miles on both sides of the line ( 100 on both sides of the line in port ) and no less than 100 meters on both sides of the line in rivers ( not less than 50 meters for mid - sized and small rivers )
（二）電力電纜線路保護區：地下電纜為線路兩側各零點七五米所形成的兩平行線內的區域；海底電纜一般為線路兩側各二海里（港內為兩側各一百米） ，江河電纜一般不小干線路兩側各一百米（中、小河流一般不小於各五十米）所形成的兩平行線內的水域。 -
Conversation by underground cable, 90 miles - new york to philadelphia. invention of keith line switch, resulting in enormous reduction in cost of automatic boards. first used at wilmington, delaware
通過地下電纜傳輸的電話線路連接紐約和費城，全長90英里。基思尋線機的發明，導致自動交換臺的成本大幅降低，並首次用於特拉華州的威明頓。
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