检查促动进气歧管谐振风门转换阀 10%
更换进气歧管 70%
检查进气真空管路的密封性 20%
https://qc.dianpusou.com/tag/%e5%a5%94%e9%a9%b0%e8%bd%a6%e7%a9%ba%e8%b0%83%e6%80%8e%e4%b9%88%e8%b0%83%e5%88%b6%e5%86%b7
检查促动进气歧管谐振风门转换阀 10%
更换进气歧管 70%
检查进气真空管路的密封性 20%
https://qc.dianpusou.com/tag/%e5%a5%94%e9%a9%b0%e8%bd%a6%e7%a9%ba%e8%b0%83%e6%80%8e%e4%b9%88%e8%b0%83%e5%88%b6%e5%86%b7