调节后，关闭燃烧器然后再启动多次检查点火的正确性。

After regulation, turn the burner off and on again several tomes to check that ignition occurs correctly.

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调节后，关闭燃烧器然后再启动多次检查点火的正确性。

After regulation, turn the burner off and on again several tomes to check that ignition occurs correctly.

youdao