【填空题】
作业时，操作人员所需的适宜新风量应为 ___进入自然通风换气效果不良的有限空间，应采用机械通风，通风换气次数不能少于 ___通风换气应满足稀释有毒有害物质的需要。
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答案
30m³/h~50m³/h|3 次/h~5 次/h
解析
暂无解析
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【单选题】
本标准适用于公司管辖的生产设备缺陷（包括市场化业务代维生产设备）管理工作，不适用于___缺陷的管理工作。
A. 运输车辆
B. 运行设备
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【单选题】
___指现场运行和备用中的设备、系统、生产设施以及生产附属设施发生的影响人身安全、设备安全、经济运行等的异常现象。
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B. 二类缺陷
C. 三类缺陷
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【单选题】
___对人身、设备安全无直接威胁或对经济运行有较大影响，但通过合适的运行操作或临时措施可以防止事故发生或经济损失，应在一定时限内消除的设备缺陷。
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【单选题】
___对人身安全、设备安全无影响，但对经济运行、文明生产或使用便利性等有轻微影响，可结合计划性检修予以消除的设备缺陷。
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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