上海长江路工程应用钢管穿插技术成功进行了人工煤气旧管道的更新。
The technology of steel pipe slip insertion has been applied successfully to update old gas pipelines on Changjiang Road in Shanghai.
我们是一家专业生产玛钢管件的公司。玛钢管子零件应用于供水管道、水蒸气管道、煤气管道、输油管道的连接。
We are professional on malleable iron pipe fittings. They are used for joining pipes lines of water, steam, gas, oil and etc.
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