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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
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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