The piston is reciprocating inside cylinder.

活塞在汽缸内部往复运动。

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The void fraction of annular two-phase flow inside cylinder is analyzed.

对圆管内环状两相流的空泡份额进行了分析。

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The method to prove electric capacity of coaxial hollow inside cylinder with the electric image law is introduced in this text.

本文介绍了用电象法求非同轴空心圆柱电容的方法。

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His secret was to optimize the timing inside the combustion cylinder.

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Its "nose" is a 2-inch-long glass cylinder coated on the inside with a concoction of glowing chemicals like those found in the belly of a lightning bug.

FORBES: A Nose For Bombs

Despite its name, Clinique's Chubby Stick is taller and actually a little narrower than a traditional lipstick cylinder which helps women apply color inside the lip line without a mirror.

WSJ: Clinique Chubby Sticks Are Some New Products Promising Faster, More Precise Makeup