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着重介绍了煤炭科学研究总院唐山分院新开发的ＳＥＴ５Ｆ防爆全站仪在井上、井下实际条件下的测试内容、方法和结果，用有力的数据说明了该仪器的技术性能。
The test contents, methods and results of SET5F explosion-proof total station newly developed by Tangshan branch of Coal Research Institute are emphatically introduced, and the technical performance of the instrument is illustrated with strong data.