Originally posted by Wonton at 2005-1-22 07:03 PM:; Z0 j6 b6 u0 R0 Z# P6 j
启动发动机,怠速; + r" n$ w9 b Q; L5 p, O* m7 `; J: B2 [( @# t
绕到车后,脱鞋;! ^* W: a O A0 I
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用鞋底把排气管堵严实。& @5 c1 a0 N/ ?- G
s# M' ]+ t3 r$ Q n1 N( m6 B4 j如果发动机熄火,就说明排气管不漏。0 d# P9 r' t& c9 f" X" u2 l