严禁装上阀门后施焊法兰·法兰两边加石棉垫片。
Forbid welding the flange after installing the valve. Both sides of the flange should be added the asbestos gasket.
PNN神经网络;LVQ神经网络;SOM神经网络;非石棉垫片;分类;
PNN network; LVQ network; SOM network; the non-asbestos gaskets; classification;
打开锅炉的前后烟箱门,检查密封垫片及烟垢,以决定是否更换和清理,同时检修浇注的耐火混凝土和密封石棉垫(绳);
Open the smoke chamber of boiler; check the seal patch and smoke dirt to decide if it needs to clean up or replacement.
打开锅炉的前后烟箱门,检查密封垫片及烟垢,以决定是否更换和清理,同时检修浇注的耐火混凝土和密封石棉垫(绳);
Open the smoke chamber of boiler; check the seal patch and smoke dirt to decide if it needs to clean up or replacement.
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