Troubleshooting ideas: first, in principle, rule out the control circuit fault - and then ruled out engine failure itself - after the exclusion of other external fault.

排除故障思路：原则上先排除控制电路故障——再排除发动机自身故障——后排除其它外部故障。

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This paper analyses the forming and effects of motorcycle. exhaust emissions, and points out the purifying approach of both in-engine and out-engine parts.

本文对摩托车排气污染物的形成、影响因素进行了分析，并指出了机内与机外净化措施。

youdao

This paper analyses the forming and effects of motorcycle. exhaust emissions, and points out the purifying approach of both in-engine and out-engine parts.

本文对摩托车排气污染物的形成、影响因素进行了分析，并指出了机内与机外净化措施。

youdao