新型机组比既有型提高了可靠性，并节省燃料费。
The reliability of the new refrigeration unit is improved and the fuel efficient is saved comparing with the existing refrigeration unit.
核电站的燃料费比火电站的要低得多。
The fuel costs in a nuclear power plant are much cheaper than any conventional coal power plant.
核电站的燃料费比火电站的要低得多。
The fuel costs in a nuclear power plant are much cheaper than any conventional coal power plant.
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