燃气管道上安装的配件用法兰连接的居多，在修复法兰接口时却需要停气断管、调换法兰，不仅费用高，且影响正常用气。

Flange is in the majority as the accessory usage on the gas pipeline links. Flange interface repair need cut off a tube, change the flange, not only cost is high, but also influence on common gas.

youdao

燃气管道上安装的配件用法兰连接的居多，在修复法兰接口时却需要停气断管、调换法兰，不仅费用高，且影响正常用气。

Flange is in the majority as the accessory usage on the gas pipeline links. Flange interface repair need cut off a tube, change the flange, not only cost is high, but also influence on common gas.

youdao