PNN network; LVQ network; SOM network; the non-asbestos gaskets; classification;
PNN神经网络; LVQ神经网络; SOM神经网络; 非石棉垫片; 分类;
Head gaskets are made of thin sheets of soft metal or of asbestos and metal. All cylinder, water, valve, and head-Bolt openings are cut out.
气缸盖用的密封垫是用软金属薄片或金属和石棉组成的薄片制成,留出所有的气缸孔、水道孔、气门孔和气缸盖螺栓孔。
The heading excludes gaskets and joints of asbestos board reinforced with metal wire or metal gauze, which are instead classifiable in heading 6812.
该品目不包括用金属线和金属网加固的石棉垫圈和石棉连接件,这些可以归到品目6812下。
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