This paper defines neutral section and neutral point respectively with effective axial force and actual axial force.
本文还用有效轴力和真实轴力分别定义了中性截面和中和点。
A new automatic on-board neutral-section passing device is introduced.
介绍了一种新的车载自动过分相装置。
A new automatic on-board neutral-section passing device is introduced.
介绍了一种新的车载自动过分相装置。
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