The basic conclusion is that properly increasing the mass and rigidity of rotor and shell can improve the working quality.
得到适当加大路拌机转子、罩壳质量与刚度可以提高机器作业质量的结论。
The important result of the relation of the inverse ratio of square through calculating the gravitation of a ball shell with uniformly-distributed mass on a particle.
通过计算质量分布均匀的球壳对一质点的引力，验证了平方反比关系的重要结果。
The building features a very light construction mass and a building shell that provides excellent air sealing.
很轻的建筑特色建设质量和建筑外壳，提供了良好的空气密封。
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