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本文是国际隧协喷射作业工作组的研究报告。文中介绍了各国使用喷混凝土及喷射机具的情况,并着重从安全角度对粉尘影响、有关粉尘含量的规定、抑制粉尘的对策及其它研究开发课题进行了调查分析。
This article is a study by the International Tunneling Federation Working Group on Jetting Operations. The paper introduces the use of sprayed concrete and jetting equipment in various countries. It also investigates the impact of dust on dust, the regulation of dust content, dust suppression and other research and development issues from a safety point of view.