... 管路破坏保护阀 line rupture protection valve; 管路铺设 pipe laying; 管路输送能力 carrying capacity of a pipeline; delivery capacity; pipe run; ...
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北极海上管路铺设系统 arctic marine pipelaying system
提前计划并找出有结冰潜在危险的管路，比如沿着低温狭窄空间的铺设管路和穿墙通向室外的水管是主要结冰对象。
Plan ahead and figure out which pipes could potentially freeze. Water pipes running through unheated crawl Spaces and pipes running through walls to the outside are prime candidates for freezing.
它可不开挖跨路面、铁路和河流铺设下水道，煤气管和电缆管路等，结构简单、工作方便、施工费用低。
It can be used in the laying of sewage, gas pipe or electric cable tunnel without opening the road surface, railroad or riverbed. It is of simple construction, easy operation and low cost.
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