对于穿行于低温狭窄空间的管路，可用玻璃钢保温材料或胶带包覆或者将预制好的套管套在管子上，并用胶带固定。
Insulate any pipes that run through unheated crawl Spaces. Wrap them with fiberglass insulation and tape or put preformed pipe sleeve insulation along the pipes, then tape the sleeves in place.
采用化学反应法，在普通碳素钢上涂覆一层均匀致密的陶瓷涂层。
The carbon steel sample is coated with a uniform dense ceramic layer by chemical reaction method.
分析了造成锅炉煤气管道系统腐蚀的主要原因，提出并实施了采用聚四氟乙烯钢覆热滚塑内衬管道的解决办法。
This paper analyzes the main causes of corrosion on boilers' gas pipelines, puts forth the measure of teflon-steel coated thermoplastic inner-cased pipe, which was implemented.
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