main trunk line 中文意思是什麼
main trunk line
解釋
主要干線管道-
Like any highway system, the federal airways have their main trunk line
同任何公路系統一樣，聯邦航空線路也有其主航線。 -
This paper introduces the foundations of tunnel engineering geological conditions and the evaluation, and gives the engineering geological conditions of and evaluations on 6 # tunnel to 15 # tunnel in the main trunk of hydraulic line of zhangfeng reservoir
介紹了隧洞工程地質條件及評價的依據，給出了張峰水庫總干6 #至15 #隧洞工程地質條件及評價。 -
Because of the original design standard was low, the horizontal angur rigidity is serious lack, when the high speed train passes, the exceed limit of the horizontal swing had affected the lifting of the main trunk line, these diseases had been existed earlier but had not been gotten to resolve radical, and along with the increasing in speed of railroad train, these diseases performance will be more seriously, it ' s time for resolve
同時提速列車對橋梁結構的動力作用增大，特別是對上承式鋼板梁。由於原設計標準低，橫向剛度嚴重不足，高速列車通過時橫向擺動嚴重超限等已嚴重影響了主要干線的提速，這些病害很早就存在但沒有得到根治，隨著列車提速，這些病害表現越來越嚴重，已到了必須整治的時候了。 -
Most part of the north trunk line of wanjiazhai yellow river delivery project has to pass through the zone of collapsible loess, so the collapsibility of the loess foundation becomes the main engineering geological problem therein
摘要山西省萬家寨引黃工程北干線輸水管線大部分地段通過黃土地區，黃土地基的濕陷性已成為主要的工程地質問題。 -
He - yi road is the starting point section of he - nen road s303 in province highway and the important component of main skeleton of type " ok ". the starting point locates near zero - kilometre road section and the end point is in front of the railway station inyichun. the whole length is 153. 781km long, the main trunk highway is 141. 145km, the branch line is 12. 636km
鶴伊公路是省道鶴嫩公路s303線的起點段，是我省「 ok 」型主骨架公路的重要組成部分。起點于鶴大公路鶴佳段零公里附近，終點位於伊春市火車站前，全長153 . 781km ，其中主線長141 . 145km ，支線長12 . 636km 。 -
This thesis is main analysis three gorges project to the great significance of the yangtze river shipping with main influence, make use of the safe condition of magistracy of yangtze river trunk line to synthesize the valuation way, to yangtze river upper stream water top transportation safety proceed take the gauge of, reason of detailed analysis trouble, find out the safe weak link that ascend of management, actual circumstance after join teetering the three gorges water area the water, bring up to establish the three gorges water area the shipping safety management system ' s speculation, provide the upper grade to test, then slice solid enhance the water on the transportation safe manage, and insure the three gorges water area the water on the transportation the stability of the safe situation
而近年來，長江上遊船舶航行秩序不穩定，事故多發，安全形勢不斷惡化，使三峽庫區形成后的航運安全管理顯得尤為重要和突出。本文主要分析三峽工程對長江航運的重大意義和主要影響，運用長江干線轄區安全狀況綜合評估辦法，對長江上游水上交通安全進行評估，詳細分析事故原因，找出安全管理上的薄弱環節，結合三峽庫區蓄水后的實際情況，提出建立三峽庫區航運安全管理體系的構想，供上級參考，以切實加強水上交通安全管理，確保三峽庫區水上交通安全形勢的穩定。 -
Primarily is to since 1995 the trouble circumstance of the yangtze river upper stream classification proceed statistics, application the safe condition of magistracy of yangtze river trunk line synthesize the valuation way, and proceeds to the safe condition of the yangtze river upper stream of three year take the gauge of, find out the main characteristics of trouble, and proceeds to trouble reason degree row preface, synthesize to analyze the trouble reason, clear and definite to have to establish the three gorges water area the shipping the safety to manage the system, and can insure the ships sail, anchor with homework safety
主要是對1995年以來長江上游的事故情況分類進行統計，運用長江干線轄區安全狀況綜合評估辦法，對近三年長江上游的安全狀況進行評估，找出事故主要特點，對事故原因進行頻度排序，綜合分析事故原因，明確只有建立三峽庫區航運安全管理體系，才能確保船舶航行、停泊和作業安全。
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