针对链条炉排锅炉固定式炉拱结构在运行中存在的诸多缺陷，研制出活动炉拱。

In view of the drawbacks of the chain boiler fixed arch in operation, has been developed the moving arch.

youdao

针对链条炉排锅炉固定式炉拱结构在运行中存在的诸多缺陷，研制出活动炉拱。

In view of the drawbacks of the chain boiler fixed arch in operation, has been developed the moving arch.

youdao