crossing n. 1.交叉,相交;横切,横断;横越,横渡。 2.交叉点;十字街口;人行横道;(河的)渡口,(铁路的)闸口,平交道。 3.〔古语〕阻碍,挫折。 4.划十字;划线。 5.【生物学】杂交。 6.(横加)阻挠。 have a good [rough] crossing风平浪静[风浪险恶]的渡航。 a grade crossing 〔美国〕= a level crossing 〔英国〕平面交叉。 a street [footway] crossing 人行横道。 zebra crossing 斑马线。
Where pipelines cross swamps, rivers, or lakes they may be encased in concrete . 油管跨越沼泽地,河流、湖泊时,可以用混凝土管匣套起来。
Petroleum and gas pipeline crossing engineering construction and acceptance specification 石油天然气管道穿越工程施工及验收规范
The application of natm tunnel method in zhongxian wuhan gas transmission pipeline crossing 钻爆法隧道在忠武输气管道穿越中的应用
Design code for oil and gas transportation pipeline crossing engineering - aerial crossing engineering 原油和天然气输送管道穿跨越工程设计规范跨越工程
Design code for oil and gas transportation pipeline crossing engineering - underground crossing engineering 原油和天然气输送管道穿跨越工程设计规范穿越工程
In the project of energy transportation from the west to the east , pipelines cross the loess altiplano 在西气东输工程中,有一大部分管线要穿越黄土高原。
Standard for quality inspection and evaluation of petroleum construction engineering - pipeline crossing and aerial crossing project 石油建设工程质量检验评定标准管道穿跨越工程
In south to north gas pipeline project of zhongyuan oilfield , the gas pipeline crossing through yellow river applies suspension type 摘要中原油田南气北输工程,其天然气管道在经过黄河大堤处采用悬索式跨越,悬索塔架的吊装是该工程的重点。
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 通过具体实施,在长江中游岩石层中首次采用水平定向钻技术穿越原油管道获得成功。
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开挖方式穿越的距离最长的河流,原油与成品油管道采用同沟敷设方式穿越该河流。