... torsional drag force 扭转阻力 torsional elasticity 抗扭弹性 torsional endurance limit 抗扭疲劳限 ...
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... torsional deflection扭转变形 torsional elasticity扭转弹性 torsional fatigue扭转疲劳 ...
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torsional elasticity tester 扭转弹性测定装置
torsional modulus of elasticity 扭力弹性模量
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Under the periodical loads, the shaft must have the torsional vibration, named "beat", because the shafting has not only inertia but also elasticity.
轴系装置由于不仅具有惯性而且具有弹性，因此在周期性荷载作用下，会产生扭转振动，甚至于产生拍振。
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