underground crossing meaning in English
地下跨越
Examples
- 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 - Several opinions of natural gas pipeline underground crossing project forecast evaluation of labor sffety and health
对天然气管道穿越工程劳动安全卫生预评价的几点认识