空调通风管道的管理
air-condition ventilation conduit management
储罐-波纹管-管道系统
tank bellow pipeline ( TBP ) system
大深度管道铺设
pipeline laying in deep ocean
杆井管道管理
pole and pipeline management
高浓度管道输送参数
Thansportation parameters of pipelines with hyperconcentration flow
锅炉范围管道的终点接头
boiler terminal connections
河道坡度
Active components alignment of flavonoids
active current sharing
论直埋蒸汽管道的设计
on straight embedding steam pipe design
水平隧道管道
horizontal tunnel pipeline
隧道坡度
Tunnel slope
sloping tunnels
road gradient in highway tunnel
陶瓷复合管道的特点
Features of ceramic compound tube