原系统改造后，故障率大大降低，保证了安全生产。
After retrofit of the existing system, safety production is ensured with lower fault rate.
OBD功能，可对原车及燃气系统进行故障诊断。
OBD function, it can diagnose the failure comes up the vehicle and gas system.
OBD功能，可对原车及燃气系统进行故障诊断。
OBD function, it can diagnose the failure comes up the vehicle and gas system.
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