... main return duct 主回风道 gas main duct 煤气总管 cold blast main duct 冷风总管 ...
基于3个网页-相关网页
... gas coke 煤气焦炭焦炭... gas collecting main 煤气总管;煤气聚集总管... gas compression 气体压缩...
基于2个网页-相关网页
铺设煤气总管工程 gas main laying works
煤气总管道 gas main
海底煤气总管 underwater gas main
总煤气管 gas main
海口市煤气管理总公司 HAIKOU GAS MANAGEMENT COMPANY
推土机切断了一条煤气总管道。
分析了水煤气两段炉热备阶段煤气总管中氧含量超标的原因，提出了解决措施。
The reason of excessive oxygen content in gas main pipe of two-stage water gas gasifier during hot reserve is analyzed, and improvement measures are put forward.
各种各样的伸缩接头被安装在煤气的总管道上了。
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