ancf meaning in Chinese
火焰呼吸
Examples
- Chapter three discusses the vibration forms of the surface dynamic rotating drilling downhole drilling string , analyzes the damage of low frequency ancf fongif ucfi ' na / vibration to downhole drilling string , and set up a set of math models of the longitudinal and torsional vibration
第三章分析探讨了地面动力旋转钻井井下钻柱的的振动形式，并提出分析了低频纵振现象对井下钻柱的损害，以及建立了纵向、扭转振动的数学模型。