故障少﹑维护费用低﹑功耗低。

Less failure, low maintenance cost, low power consumption.

youdao

l使用寿命长(10年)，故障率低，大大减少维修费用。

Long service life (10 years), low failure rate, greatly reduce maintenance costs.

youdao

l使用寿命长(10年)，故障率低，大大减少维修费用。

Long service life (10 years), low failure rate, greatly reduce maintenance costs.

youdao