B5text dataset - Textual data for 5 class sentiment classification of manufacturing parts.

processed and lemmatised manufacturing text data relevant to 5 classes of parts: bearings, collet, sprocket, bolt, spring webscraped from different web based platforms like mcmaster carr, traceparts etc.本数据集为经处理并完成词形还原的制造业文本数据，涵盖五类相关零部件：轴承（bearings）、筒夹（collet）、链轮（sprocket）、螺栓（bolt）及弹簧（spring），所有数据均通过网络爬虫从McMaster-Carr、TraceParts等各类网络平台采集获取。