The trapped air in the diaphragm will force the diaphragm between the inside of the sleeve and the outside of the piston.

罩在隔膜内的空气将施加力量在隔膜上，使其进入套筒内部和活塞外部之间。

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This month, "on Board Air Force One" goes inside the most famous plane in the world.

本月份，《美国空军一号》会带您登上全球最负盛名的飞机来一探究竟。

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Since the general public is not even allowed to be near Air Force One, most people don't know what it looks like inside the plane.

由于一般民众甚至连空军一号都接近不了，所以多数人根本就不知道机舱里究竟是什么模样。

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The bullet, known as the Attenuating Energy Projectile (AEP), has an air pocket inside which disperses the force of the bullet across a wider area.

BBC: NEWS | UK | Police get 'safer' rubber bullets

So, perhaps to show that it is giving space its due, the Air Force held its first space war game here, and even invited reporters inside for a few hours.

CENTERFORSECURITYPOLICY: Grasping the Importance of Space Power