The dynamically balanced rotor assembly,sealed bearings with grease reserviors. 動(dòng)平衡的轉子總成，具有蓄油裝置的全密封軸承。
Precise thermodynamic equilibrium may never be achieved in a microscopic realm within gaseous nebulae. 精確的熱動(dòng)平衡永遠不會(huì )在氣體星云的一個(gè)微觀(guān)范圍內達到。
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