Unverified85% confidenceDecision RuleTime unknown
干粉灭火器有保质期(一般数年),需定期查看压力表指针是否在绿区,失效需重新充装或更换
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Unverified干粉灭火器需定期检查压力表(指针是否在绿区)和有效期,通常每年至少检查一次,过期或压力不足须及时更换或充装92% similarUnverified干粉灭火器有保质期(一般出厂后约5年或瓶体标注日期),需定期检查压力表指针是否在绿区,过期或欠压必须更换92% similarUnverified干粉灭火器有效期一般为出厂后5年,压力表指针需在绿区;每年应检查一次压力,指针进入红区(漏气)或黄区(过压)需重新充装或更换89% similarUnverified水基灭火器有效期通常为出厂后几年,需定期检查压力表指针是否在绿色区域,过期或压力不足必须更换85% similarUnverified干粉灭火器有效期一般为5年,压力表指针在绿区为正常,指向红区(黄区)需重新充装或更换;许多车主忽视年检导致关键时刻失效84% similar
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