torsion-free的相关资料：
临近单词
torsion bar
torsion
torsional vibration analysis
torsion bar front suspension
torsion of testieular adnexa
torsion ring shear apparatus
torsional modulus of section
torsion-cone consistometer
torsional oscillation damper
torsion vulcanization tester
torsional interaction factor
torsion vibration experiment
