The metadata is used by the feed generator to access the data sources and to invoke the transformation engine when data is aggregated or transformed from one or more of the sources.
feed生成器使用该元数据访问数据源，并在聚合或转换来自一个或多个数据源的数据时调用转换引擎。
A generator may generate electricity when (it is) driven by a steam engine, gas engine, or water wheel.
当发电机由蒸气机，燃气轮机或水轮机驱动时，它便能发电。
Air filter for small engine, such as mower, chainsaw, generator and other garden machines or power tools.
空气过滤器的小型引擎，如割草机，油锯，发电机和其他园林机械或电动工具。
The wheel system for automobile engine accessories consist of the compressor, power steering pump, air filter, generator, etc. which linked by a V-belt or poly_rib belt.
发动机前端附件传动轮系是一个包括空调压缩机、动力转向泵、发电机、机油泵等附件的系统，它们通过V型带或者多楔带连接。
Fuel oil flow meter of main generator engine found air leaking, to be repaired or renewed.
主发电机燃油流速仪发现漏气需修理或换新。
Concentrating solar power devices focus or concentrate the thermal energy of the sun to drive a generator or heat engine.
集中太阳能发电装置集中用太阳的热能，来驱动发电机或热力引擎。
Staged combustion avoids the usual waste of fuel or oxygen used to drive the pumps in an engine with the conventional gas-generator cycle.
分级燃烧，避免了浪费燃料或氧气通常用于驱动发动机与传统的燃气发生器循环水泵。
The paper mainly discussed the factors or problems, which affect the choosing of the crude oil engine generator on offshore oil field design.
着重对原油发动机作为主电站需要考虑的问题进行了总结和探讨，为今后原油发动机电站的选择设计提供参考。
Besides being coaxially connected with the low-pressure gas compressor, the air turbine can also be connected with a generator or a crankshaft of the internal combustion engine.
空气涡轮除了与低压压气机同轴相连外，还可以与发电机或内燃机的曲轴相连。
Whether or not the engine matches the generator on the main diesel-generator-set of a SCR rig, exerts directly an influence on the reliability and economic result of the rig.
SCR电驱动钻机主柴油发电机组的柴油机与发电机匹配是否合理，直接影响钻机的可靠性和经济性。
This internal combustion engine is excellent and useful in the mileage as a prime mover from a power plant to a small generator or as an engine to be mounted on a mover such as a ship or a car.
该内燃机作为发电所用的小型的发电机的原动机，或作为在船舶或车辆等移动体中搭载的发动机，在燃料经济性方面优异，因此是有用的。
This internal combustion engine is excellent and useful in the mileage as a prime mover from a power plant to a small generator or as an engine to be mounted on a mover such as a ship or a car.
该内燃机作为发电所用的小型的发电机的原动机，或作为在船舶或车辆等移动体中搭载的发动机，在燃料经济性方面优异，因此是有用的。
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