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《煤矿安全规程》第392条第六款规定:“对缠绕式提升装置,必须设松绳保护并接入安全回路”，据此，我们研制了新的斜
“Coal Mine Safety Regulations,” Article 392, paragraph 6 states: “For winding hoist, you must set the loose rope protection and access safety circuit,” Accordingly, we developed a new oblique