燃气长明点火器
Ever Lighted Flame Type Gas-fired Igniter
长距离送电
long distance power delivery
长距离水汽输送
Long distance water-vapor transfer
长距离水平工程孔
long-distance horizontal drilling hole
长距离输油管线
long distance oil pipeline
长距离输送管道
long-distance transport-pipelines
长距离输水系统
long-distance diversion system
长距离输水管路
long distance water transmission pipeline
长距离输水工程
long distance water transfer project
长距离输水
Long-distance Water Conveyance
长距离输电线路
Long-distance Transmission Line
长距离输电
Long-distance Transmission
长距离三角高程
long distance triangle level