Mercedes-Benz followed BMW in 2000 and began offering no-cost oil changes, fluid and filter replacements.
梅赛德斯·奔驰(Mercedes - Benz)仿效宝马，从2000年开始提供免费更换机油、制动液和过滤器的服务。
The leased car will typically be under factory warranty for the duration of the lease -- and car leasing contracts often have add-on provisos that cover routine maintenance, such as oil changes, etc.
一般来说，在租用期间的车辆都处于厂家质保期内，并且租车合同还常常附加了例如免费的维护、换机油等服务。
Regular car maintenance, such as oil changes, is necessary if you want your vehicle to run well.
若要让汽车正常运行，像更换机油等定期维护是绝对必要的。
During the alternating transportation of product oil through pipeline, the flow rate of the oil changes with the moving of the mixed oil segment.
在管道顺序输送成品油过程中，随着混油段的移动，管内流量必然会发生变化。
During the alternating transportation of product oil through pipeline, the flow rate of the oil changes with the moving of the mixed oil segment.
在管道顺序输送成品油过程中，随着混油段的移动，管内流量必然会发生变化。
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