caliduct

caliduct

1. It mainly use setting air-condition,water pipe,caliduct.

主要用于安装暖气、空调、水管等。

2. The vavle is locked at peacetime,while it is opened with the help of open tool and a water flow in the caliduct.

此阀平时是锁闭的，只有用开启器配以暖气片中的水流才可打开，一旦水流断开，则此阀会自会锁闭。

3. There is some green caliduct, and also some coals left over from last winter.

这里有绿色的暖气管，也有上个冬天没烧完的蜂窝煤。