get looseɡetlu:s短语⁴⁵⁴⁴⁰ 基本例句 松脱 By analysing the amplitude of the shaft vibration, this article concludes that when the bolts get loose, it will result in resonance at the second critical speed and serious vibration. 本文利用振动测试记录，具体论证了汽轮机排汽端一侧轴承松动，而导致汽轮机第二临界转速共振和强烈共振。 cnki