单词	view on learning level
释义	view on learning level 层次观
随便看	torsional sprig torsional spring torsional spring clutch torsional spring comparator torsional spring instrument torsional stability torsional stabilizer torsional steroisomer torsional stiffening torsional stiffness torsional stiffness coefficient torsional stiffness graph Torsional Stiffness of Bellows torsional stiffness of steering gear torsional stiffness test torsional strabismus torsional strain torsional strenght torsional strength torsional-strength torsional strength test torsional strength tester torsional stress torsional-stress torsional supported