一台活塞式发动机被充其量说只成为有效率33%。
其次，针对摆动活塞式发动机的总体结构进行设计。
Next, in view of swings the piston engine overall structure to carry on the design.
转子发动机比通常的活塞式发动机噪音小也是大家所公认的。
It is also generally conceded that Wankel engines are quieter than comparable piston engines.
小型螺旋桨飞机的动力装置一般由活塞式发动机和螺旋桨两个主要部分组成。
The powerplant of propeller aircraft is composed of two main parts, piston engine and propeller.
动力装置为蒸汽汽轮机，而不是传统的蒸汽活塞式发动机，最大速度为21节。
Powered by steam turbines instead of the steam pistons then common, it sailed at a record top speed of 21 knots.
研究结果表明，传统的估算方法对于装小型活塞式发动机的螺旋桨飞机也是适用的。
The result shows that the traditional estimation methods about powerplant performance are adapted for propeller aircraft even if with small sized piston engine and propeller.
往复活塞式发动机曲轴扭振吸振器是应用得最早且最普通的一类阻尼式动力吸振器。
The torsional vibration absorbers of reciprocating piston engine crankshafts are the earliest and most commonly used kind of damped dynamic vibration absorbers.
凸轮活塞式发动机的核心部件为双面空间圆柱凸轮，其轮廓曲线将影响发动机的工作性能。
The core part of the piston CAM engine is the spatial cylindrical CAM with dual surfaces, whose profile affects the overall engine performance.
目前，国外小型航空活塞式发动机涡轮增压技术已经比较成熟，国内正在致力于这方面的研究。
At present, the turbo technology of small aviation piston engine has been mature abroad, but domestic are committed to the research.
该飞机使用活塞式发动机，而不是身材庞大的喷气涡轮机，因此它不会像大型商业飞机那样受到火山灰的负面影响。
The plane uses a piston engine rather than a large-scale turbine jets, allowing it to travel unaffected through the ash, unlike large commercial jets.
针对某活塞式发动机排气管断裂现象，从断裂处焊接结构缺陷、焊缝组织缺陷和零件工作环境等方面进行分析。
The fracture failure of the piston engine exhaust pipe was analyzed from welding structure defects, welding structure defects and working environment etc.
对于这一点，波尔玛也赞同，并且指出，用于常规轻型飞机的活塞式发动机行不通还有其他原因：要是有水渗入气缸内，它就不能工作了。
Polmar agrees, and points out that the piston engines used in conventional light planes are ruled out for other reasons: they would fail if any water leaked into the cylinders.
航空汽油用于活塞式航空发动机，使用量较少。
Aviation benzine is used at piston aviation engine, use quantity is less.
主要用于活塞式航空发动机。
在筒状活塞式的发动机中，活塞与连杆上端通过一个水平销子连接。这是最常见的一种结构。
In trunk-piston engines, a horizontal pin within the piston is encircled by the upper end of the connecting rod. This by far the most common construction.
由于大推力活塞式喷气发动机可以用在涡轮喷气机是不实际的。
Due to high thrust the Piston jet Engine can be used where turbo-jets aren't practical.
双活塞式液压自由活塞发动机是将内燃机与液压泵集成为一体的新型动力机械。
The objective of the study is to analyze one particular engine, the dual hydraulic free piston engine-DHFPE.
德控DELCON工业火花塞分为两种，一种为大型的透平涡轮发动机配套，一种为中小型6至20缸活塞式燃气发动机配套。
There are 2 types of heavy Duty spark plugs. DELCON plugs serve for Turbine Generators with high power output, also serve for engines with 6 to 20 cylinders.
ZTY2 65天然气压缩机是以二冲程发动机作为动力源的二级活塞式压缩机，针对此压缩机，本文作者研制了ZTY 2 65天然气压缩机动态压力测试系统。
This paper develops a dynamic pressure test system for ZTY265 natural gas compressor which is a two step piston type compressor and driven by two stroke internal combustion engines.
ZTY2 65天然气压缩机是以二冲程发动机作为动力源的二级活塞式压缩机，针对此压缩机，本文作者研制了ZTY 2 65天然气压缩机动态压力测试系统。
This paper develops a dynamic pressure test system for ZTY265 natural gas compressor which is a two step piston type compressor and driven by two stroke internal combustion engines.
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