安全距离 https://mp.weixin.qq.com/s?__biz=MzUyMTI5Mjk
Sun Dec 08 14:33:17 CST 2019
1. 皮带传动机械的防护： 皮带防护罩与皮带的距离不要小于50mm，设计要合理，不要影响机器的运行
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