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.
Watson说研究组会特别关注在不同天气情况下时这些管路和固定气球的工作状态。
Watson said the team will be especially concerned with how the pipe and tethered balloon or balloons will behave in different types of weather systems.
介绍了薄平板型固定床吸附器在循环通风管路系统中的使用特性和应用效果。
The characteristics and applications of the thin plate fixed bed adsorbers in the circulation ventilation pipe systems were presented.
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