crossing n. 1.交叉,相交;橫切,橫斷;橫越,橫渡。 2.交叉點;十字街口;人行橫道;(河的)渡口,(鐵路的)閘口,平交道。 3.〔古語〕阻礙,挫折。 4.劃十字;劃線。 5.【生物學】雜交。 6.(橫加)阻撓。 have a good [rough] crossing風平浪靜[風浪險惡]的渡航。 a grade crossing 〔美國〕= a level crossing 〔英國〕平面交叉。 a street [footway] crossing 人行橫道。 zebra crossing 斑馬線。
Where pipelines cross swamps, rivers, or lakes they may be encased in concrete . 油管跨越沼澤地,河流、湖泊時,可以用混凝土管匣套起來。
Petroleum and gas pipeline crossing engineering construction and acceptance specification 石油天然氣管道穿越工程施工及驗收規范
The application of natm tunnel method in zhongxian wuhan gas transmission pipeline crossing 鉆爆法隧道在忠武輸氣管道穿越中的應用
Design code for oil and gas transportation pipeline crossing engineering - aerial crossing engineering 原油和天然氣輸送管道穿跨越工程設計規范跨越工程
Design code for oil and gas transportation pipeline crossing engineering - underground crossing engineering 原油和天然氣輸送管道穿跨越工程設計規范穿越工程
In the project of energy transportation from the west to the east , pipelines cross the loess altiplano 在西氣東輸工程中,有一大部分管線要穿越黃土高原。
Standard for quality inspection and evaluation of petroleum construction engineering - pipeline crossing and aerial crossing project 石油建設工程質量檢驗評定標準管道穿跨越工程
In south to north gas pipeline project of zhongyuan oilfield , the gas pipeline crossing through yellow river applies suspension type 摘要中原油田南氣北輸工程,其天然氣管道在經過黃河大堤處采用懸索式跨越,懸索塔架的吊裝是該工程的重點。
With concrete measures adopted , the pipeline crossing with directional drilling technique in rocky stratum of middle reaches of yangtse river succeeded for the first time 通過具體實施,在長江中游巖石層中首次采用水平定向鉆技術穿越原油管道獲得成功。
West pipeline crossing heihe river is the longest crossing project by a large excavation way and the method of laying both crude oil pipeline and products pipeline in a single trench 摘要黑河是西部管道工程采用大開挖方式穿越的距離最長的河流,原油與成品油管道采用同溝敷設方式穿越該河流。