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。

youdao

I recommend running it through your sleeve and under your shirt.

我建议将耳机线从袖口和衣服下走线。

youdao

For ease of installation, insert all flange bolts through the valve flange and then through the sleeve flange, but do not let the bolts extend beyond the surface of the flange rubber (See Figure 4).

为了使安装容易些，可以将所有法兰螺栓穿过阀门法兰，然后穿过套管法兰，但是不要让螺栓超过法兰橡胶表面(参阅图4)。

youdao

To make the light travel enormous distances, thousands of volts of electricity are sent through the cable's copper sleeve to power repeaters, each the size and roughly the shape of a bluefin tuna.

WSJ: A Dive Into the Digital Deep