The reverse flow region is observable near the pipe wall.
管壁附近存在明显的回流再附区；
The target is mounted on a support passing through the pipe wall.
标板装在穿过管壁的支撑上。
If we can get through this wall, we can get into the pipe.
如果我们能穿过这堵墙，我们就能进入管道。
Tap on a pipe or wall so that rescuers can find you.
敲击管道或墙壁以便让救援人员发现你。
Tap on a pipe or wall so rescuers can hear where you are.
敲打管道或是墙壁，这样一来救援人员就能听到你所在的位置。
Tap on a pipe or wall so that rescuers can find you.
罿敲击管道或墙壁以便让救援人员发现你。
He leaned on the wall, a pipe in mouth.
他倚靠在墙上，嘴里叼着一支雪茄。
There is no air gap between wall and buried copper pipe.
壁体与埋管间没有气隙热阻。
Tap on a pipe or wall so rescuers can locate you.
自来水管上或墙上，营救人员就可以找到您。
They climb through the sleeve pipe to the other side and hit a wall.
他们钻过那条套管，直到另一边一堵墙挡住了他们。
The workmen excavated a hole in the wall to let the sewage pipe pass through.
工人们在墙上掘了个洞让排污管道通过。
This is a large on-going double wall pipe project.
这是一个很大的正在进行的双重管线项目。
Used in wet-keeping and heat insulation project in surface of room, wall, equipment and pipe.
用于屋面、墙面、设备、管道保温绝热工程。
Used in wet-keeping and heat insulation project in surface of room, wall, equipment and pipe.
用于屋面、墙面、设备、管道保温绝热工程。
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