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.

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。

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The Red Valve Hawse pipe valve features a flexible reinforced elastomer sleeve that seals tightly around the anchor chain or cable.

美国红阀公司的锚链管道阀门配置弹性强化人造橡胶套管，能够实现对锚链或缆索的环绕紧密密封。

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By adopting some technology of advanced detection, adding temporary invert, sleeve valve pipe and lock foot bolts, the construction of the tunnel is completed safely and successfully.

暗挖区间隧道通过采用超前探测、增设临时仰拱、袖阀管、锁脚锚管等技术措施，安全、顺利完成了北四环路和北辰桥段的施工。

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