一通三防的内容是什么-法律综合法律援助-法律咨询免费平台-国际律师联盟

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问题	一通三防的内容是什么
释义	法律分析：矿山作业领域的“一通三防”是指，矿井应当具有通风系统，还应设计防水、放火和防尘系统。法律依据：《中华人民共和国矿山安全法》第九条矿山设计下列项目必须符合矿山安全规程和行业技术规范：（一）矿井的通风系统和供风量、风质、风速；（二）露天矿的边坡角和台阶的宽度、高度；（三）供电系统；（四）提升、运输系统；（五）防水、排水系统和防火、灭火系统；（六）防瓦斯系统和防尘系统；（七）有关矿山安全的其他项目。
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