production block valve
... production tubing 生产油管 production valve 生产闸门 production vessel 采油平台 ...
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... Internal threaded block valve 内螺纹截止阀 master and block valve 主油管堵塞阀 production block valve 生产闸门 ...
基于1个网页-相关网页
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卷闸门、防火门、伸缩门、防盗门的生产。
Gate, fire doors, extendable doors, security doors production.
youdao
同时,结合生产任务,为龙滩底孔弧形闸门的优化设计和安全运行提供参考意见。
Finally, combined with productive tasks, some Suggestions are provided for the optimum design and safe operation for Longtan bottom radial gate.
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