词汇	hold fast coupling
释义	hold fast coupling 固接联轴节
随便看	amplification, parametric amplification pattern amplification pixel amplification polymorphism amplification primer amplification procedure Amplification products Amplification program amplification range amplification rate amplification ratio amplification reaction Amplification reaction volume amplification refractory mutation system amplification reserve amplification resistance amplifications amplification stage amplification system amplification testing set amplification time limit amplification with programming control amplificative amplificative valve amplificator