短語詞組短語repeated bending stress strength 反復彎曲疲勞強度極限bending ultimate strength 抗彎強度bending tensile strength 抗彎拉強度bending yield strength 彎屈服強度bending endurance strength 彎曲疲勞強度vertical bending ultimate strength 船體垂向彎曲最終強度tooth bending fatigue strength 彎曲疲勞強度teeth bending fatigue strength 輪齒彎曲疲勞強度bending break strength 彎曲強度 返回 bending strength