活塞表面涂有石墨以减少摩擦。
活塞在蒸汽压力下运动。
采用弹簧活塞式发射装置，狙击步枪射击时几乎无声。
Featuring a spring piston firing mechanism, the sniper rifle is almost silent when fired.
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 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.
活塞在汽缸内部往复运动。
蒸汽驱动活塞，带动发电机发电。
The steam drives the pistons, turning a generator which produces electricity.
填充汽缸的蒸汽将活塞推出。
所以一开始，这是个活塞，这里是个节流阀。
So initially, we're going to have our piston, there's the plug sitting here.
这里是容器和活塞。
我的圆柱活塞正好，位于水面的上方。
My cylinder's going to sit squarely on the stump of the surface of the water.
我们知道每个质量对应的力，也知道活塞的面积。
And so we know the force for a particular mass, and we know the area of the piston.
活塞将上,移直到内外,压强达到平衡。
So it's going to shoot up until the internal pressure and the external pressure are in equilibrium.
底特律活塞队后卫特瑞科怀特为蓝队增加了29分。
除了凯尔特人，湖人和活塞，还有那支球队能形成气候？
Beyond the Celtics and Lakers and Pistons, who truly resonated?
这么高速的旋转相当于在活塞上施加9000倍的重力。
Revving at such massive speeds equates to an accelerative force on the pistons of nearly 9000 times gravity.
首先，旋转并拉出一个活塞，让硬盘滑出服务器的盒子。
First, a plunger is pulled and rotated to release the drive and allow it to slide out of the server's case.
而优化设计的排气管和改进的计时器和活塞也有助于提高效率。
A better design for the exhaust pipes adds to the efficiency, along with modified timing and pistons.
活塞和公牛再次作为主角登上nba舞台将是10多年之后了。
It would be more than a decade before the Pistons and Bulls were again major figures on the NBA scene.
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 core of a steam engine is a cylinder that is sealed at one end and has a moving piston at the other.
二冲程发动机没有移动的阀，火花塞每次点火活塞到达循环顶端。
A two-stroke engine has no moving valves, and the spark plug fires each time the piston hits the top of its cycle.
这里发生了膨胀,所以系统对外界做功，活塞被推出来。
Here there's an expansion going on, so the system is doing work to the external world.
对于我们大部分分人来说，我们的生活塞满了各种活动。
为了平衡不受控制的力，连接活塞和机轴的杆不得不变得无限加长。
For the secondary forces to be in balance, the rods connecting the pistons to the crankshaft would have to be of infinite length.
Carrier后来把活塞动力改为离心式制冷机，可以冷却更大空间。
Carrier later switched from piston power to the centrifugal chiller, which allowed much larger Spaces to be cooled.
2月4日，美国底特律活塞篮球队，5个赛季以来首次未能售完主场门票。
On February 4th the Detroit Pistons, an American basketball team, failed to sell out a home game for the first time in five seasons.
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。
My earliest memories are of pointing to the sky, having detected the far-off drone of a piston engine.
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。
So I've got, this piston here is compressed, and I slowly, slowly increase the volume, drop the temperature.
当长长的蛇体在波浪中扭曲翻转时，它们把滑块像活塞一样从模块中拖进拖出。
As the long sections twist and turn in the waves they pull the RAMS in and out of the modules like pistons.
当长长的蛇体在波浪中扭曲翻转时，它们把滑块像活塞一样从模块中拖进拖出。
As the long sections twist and turn in the waves they pull the RAMS in and out of the modules like pistons.
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