The dynamic equilibrium 基本例句 动平衡 The dynamically balanced rotor assembly,sealed bearings with grease reserviors.动平衡的转子总成,具有蓄油装置的全密封轴承。 Precise thermodynamic equilibrium may never be achieved in a microscopic realm within gaseous nebulae.精确的热动平衡永远不会在气体星云的一个微观范围内达到。