aerial crossing meaning in English

管道架空穿越

Code for construction and acceptance of oil and gas pileline aerial crossing engineering
石油天然气管道跨越工程施工及验收规范
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
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