单词	磁矩守恒
释义	磁矩守恒conservation of magnetic momentum
随便看	double-acting pawl double acting pile driver double acting pile hammer double-acting pile hammer double acting (pneumatic) cylinder double acting [pneumatic] cylinder double acting press double-acting press double acting pump double-acting pump double-acting refrigerant compressor double acting sprayer double-acting steam hammer double acting steam pile driver double-acting turbine double-acting valve double action double-action double-action column press double action crankless press double action dobby double action hammer double action hydraulic press double action model of internal news flow double action pedal