The technical methods which found the models of bell-less top burden distribution classify as physical model test, classical force theory and artificial intelligent technology.
建立高炉无料钟布料模型的技术路线可以分成三类：物理模型试验研究、经典力学理论和人工智能技术。
To see if your product may classify as a class II device, visit the FDA device classification guidance site.
要想确认你的产品是否为II类医疗器械，可以查阅fda的器械分类指导网站。
To see if your product may classify as a class II device, visit the FDA device classification guidance site.
要想确认你的产品是否为II类医疗器械，可以查阅fda的器械分类指导网站。
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