传动系管道布置图
power train piping diagram
非标管道设计
non-standard piping design
工程管道设计
Engineering pipeline design
管道布置平面
piping arrangement plan[PAP
bath robe cloth
管道设计
Piping design
line design
pipeline design
pipe Design
design of tubes
piping layout
design of air tube air pulsation
三维管道设计软件
3D piping design software
设备和管道布置
Equipment layout and piping design
输气管道设计
expression gas pipeline design
gas pipeline design
氧化铝工艺管道设计
alumina process piping design
油气联合喷嘴的管道设计
Pipeline design of oil and gas combination nozzle