这就相当于先查看房屋的总体设计，然后再设计管道等细节。
You can view your house designs before you even define details of the plumbing.
比如像管道工或者电线技工等报酬不错的体力活。
And some manual jobs, such as plumber or cable technician, pay quite well.
应用领域：钢铁行业物料输送管道、溜槽等的内衬。
Application: As lining of material transfer pipe and chute, etc. on steel industry.
并且，管道运输与铁路、航空、公路、海运等一样，是个巨大的能源运输工具。
Also, pipeline transport and rail, air, road and sea, is a huge energy transport.
塑料类管材同长期以来习惯应用的钢管等金属管道其力学特性有较大的区别。
There are some difference in mechanics characteristics between plastic pipe and other metallic pipe.
负责热水及蒸汽系统的管道、阀门等设施的维修保养。
Be responsible for maintaining hot water system, steam system.
负责热水及蒸汽系统的管道、阀门等设施的维修保养。
Be responsible for maintaining hot water system, steam system.
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