Featuring a spring piston firing mechanism, the sniper rifle is almost silent when fired.
采用弹簧活塞式发射装置，狙击步枪射击时几乎无声。
The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward, thereby increasing the speed of the engine and cutting its fuel consumption.
最后一步是将蒸汽引入气缸，使得活塞前后推动，从而提高了发动机的速度，降低了燃料消耗。
The piston moves by steam pressure.
活塞在蒸汽压力下运动。
The piston is reciprocating inside cylinder.
活塞在汽缸内部往复运动。
Filling the cylinder with steam pushes the piston out.
填充汽缸的蒸汽将活塞推出。
A piston slips in and out of the cylinder.
活塞在汽缸里作往复运动。
Check piston diameter on oil piston shank with micrometer gauge.
使用千分尺在机油活塞体上检查活塞直径。
And so we know the force for a particular mass, and we know the area of the piston.
我们知道每个质量对应的力，也知道活塞的面积。
The good manufacturing quality for piston is the key factor to ensure its reliability.
优良的制造质量是确保活塞可靠性的关键因素。
Each piston disassembled and polished, each nut and washer cleaned or replaced, accounted for.
每个活塞都要拆下来并且打磨，每个螺母和垫圈都要清洗或更换，并且一个都不能少。
The powerplant of propeller aircraft is composed of two main parts, piston engine and propeller.
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。
My earliest memories are of pointing to the sky, having detected the far-off drone of a piston engine.
我能回忆起的最早的事情就是指着天空，耳边传来远处的活塞引擎的轰鸣声。
Labyrinth seal and piston ring provide a dual sealing system, keeping oil clean and reducing wear.
曲径汽封和活塞环提供了双密封系统，使油保持洁净并减少磨损。
The core of a steam engine is a cylinder that is sealed at one end and has a moving piston at the other.
蒸汽机的核心是汽缸。它一端密封，另一端有个可以移动的活塞。
The complete cycle of an engine requires four piston strokes: intake, compression power, and exhaust.
发动机完整的循环要求有活塞的四个冲程：进气、压缩、做功、排气。
So I've got, this piston here is compressed, and I slowly, slowly increase the volume, drop the temperature.
这样，这个活塞就被压缩了，然后我再很慢很慢地增加它的体积，降低温度。
The result indicates that the method is effective in the fault diagnosis of piston-liner wear condition.
结果表明，该方法在活塞-缸套磨损诊断中是行之有效的。
The rugged piston design assures high over-pressure capability with exceptional accuracy and repeatability.
耐用的活塞设计确保了超压能力以及卓越的精确度和可重复性。
Carrier later switched from piston power to the centrifugal chiller, which allowed much larger Spaces to be cooled.
Carrier后来把活塞动力改为离心式制冷机，可以冷却更大空间。
The main section of a piston is known as the skirts. It forms a bearing area in contact with the cylinder wall.
活塞的主要部分叫活塞裙部。其与气缸壁接触形成了支承面。
The accuracy of flutter analysis improved by this method is much higher than that obtained by the piston theory.
特别是和用活塞理论所做的颤振分析相比，计算精度有了明显提高。
Recognized as a premier supplier to the engine industry, Hastings has earned its reputation as a leader in piston ring technology.
目前海斯汀制造有限公司已经成为活塞环行业公认的领导者和发动机行业首要的供应商。
The single-piece piston made from our product has reached the technical level of similar products in America, Germany, Japan and Britain.
应用我公司产品制成的整体活塞已达到美国、德国、日本、英国同类产品的技术水平。
The connecting rod is attached at one end to a crankpin on the crankshaft and at the other end to a piston, through a piston pin or wrist pin.
连杆的一端与曲轴的连杆轴颈相连，另一端通过活塞销与活塞相连。
The core part of the piston CAM engine is the spatial cylindrical CAM with dual surfaces, whose profile affects the overall engine performance.
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。
One company has presented an idea in which metal strips inserted in pavements and roads operate fly wheels by means of a piston action using hydraulic fluid.
一个公司提出这样想法：嵌在人行道和路面上的金属条用液压活塞的作用使飞轮转动。
Atmospheric pressure then pushes the piston back down the cylinder, and if anything (such as a pump) is attached to the piston, some useful work can be done.
于是，气压就会再次将活塞推至汽缸底部。而假如有诸如水泵这样的物体与活塞连接，就可以在活塞的带动下完成一些工作。
Atmospheric pressure then pushes the piston back down the cylinder, and if anything (such as a pump) is attached to the piston, some useful work can be done.
于是，气压就会再次将活塞推至汽缸底部。而假如有诸如水泵这样的物体与活塞连接，就可以在活塞的带动下完成一些工作。
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