煤气灶常见的以下症状1.有火，但手得顶着开关，一放就熄火。2.火焰不是蓝焰而是黄焰，火头有黑烟。（调节风门即可）3.回火、内燃、灶面发烫。4.有火花但点不燃。5.有燃气但没有火花。6.底座风门冒火。...

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