Mechanics is a science dealing with force and motion.
力学是一门有关力和运动的科学。
The acting force and motion of vibratile tumbling machine are analysed theoretically.
对振动光饰机的受力和运动进行理论分析。
Screw: In machine construction, a usually circular cylindrical member with a continuous spiral rib or thread, used either as a fastener or as a force and motion modifier.
螺纹件: 机器结构中带连续螺旋肋的圆柱形件,用作紧固件或力和运动变换装置。
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