Thisformula can be used to evaluate the relative changes of engine specific fuel consumption caused by the relative changes of engine moving parts mass during engine design and practical operation.
在发动机设计阶段和发动机实际使用中，可以应用这个公式，估计运动件质量变化所引起的比油耗的相对变化。
Friction between moving parts had caused the engine to overheat.
活动部件的摩擦使发动机过热。
Crankshaft is an important part of truck engine parts, and it is also a fast moving parts.
曲轴是一个重要的组成部分卡车发动机部件，而这也是一个快速移动的零件。
Unlike a conventional jet engine that uses a rotating compressor to compress air into the engine for combustion , this one has no moving parts.
传统的喷气式引擎利用旋转压气机将空气压缩进入引擎来燃烧，而这架飞机却完全没有运动的部分。
Lubricating oil inside the engine produces a film on the moving parts.
发动机内部的机油在运动部件上形成一层膜。
The engine also lends itself to lost cost manufacturing since it only has three moving parts.
发动机也适合于生产成本的损失，因为它只有三个运动部件。
The inventor contrived a new kind of engine with fewer moving parts.
这位发明家发明了一种具有较少运动部件的新型发动机。
A thermoacoustic engine converts thermal energy into acoustic power by thermoacoustic effect without any mechanical moving parts.
热声发动机利用热声效应把热能转化为声功，系统中不存在任何机械运动部件。
The second is moving parts by card sluggish or engine suddenly aggravating the load.
二是运动部位受到卡滞或发动机突然加重负荷。
A pulse tube refrigerator driven by a traveling wave thermoacoustic prime engine has no moving parts.
采用热声发动机驱动脉冲管制冷机，使彻底消除低温制冷机中的运动部件成为可能。
There are a great many moving metal parts in the engine.
发动机中有大量的运动的金属零件。
The engine shaft system is a typical flexible shaft system, which includes crankshaft and other relevant moving parts.
发动机轴系包括发动机曲轴以及与之相连的各运动部件组成的总成，是典型的弹性轴系统。
Thermoacoustic engine is a new type of engine which is based on the thermoacoustic effect, with no pollution, no moving parts, and high reliability.
热声热机是一种完全新型热机，工作于热声效应机理，具有无污染、无运动部件、可靠性高等优点。
Thermoacoustic engine is a new type of engine which is based on the thermoacoustic effect, with no pollution, no moving parts, and high reliability.
热声热机是一种完全新型热机，工作于热声效应机理，具有无污染、无运动部件、可靠性高等优点。
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