rotation volume of freight transport [交] 货运周转量
rotation volume of goods transport [交] 货运周转量
volume of rotation 旋转体体积
rotation volume 转动体积
volume of solid of rotation 旋转体体积
As the rotor of rotation, the translation of the vortex each compression interior volume change constantly, realize the gas sucked and compression.
随着涡旋转子的平移转动，各压缩室内容积不断发生变化，实现对气体的吸人与压缩。
An approximate expression of the volume of body of rotation together with its error estimation is derived on the basis of theory of numbers.
本文用数论方法推导出一个计算旋转体体积的近似公式，并给出该近似公式的误差估计。
Compression process: with the rotor rotation, compression chamber volume decreases, the gas compressed with the compression chamber until the exhaust port to the forefront.
压缩过程：随着转子旋转，压缩腔容积不断减小，气体随压缩直至压缩腔前沿转至排气口。
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