短語詞組短語bending g stiffness 彎曲剛度bending constraint stiffness 彎曲約束剛度Bending Stiffness Tester 紙板挺度測定儀anti -bending stiffness 抗彎剛度reduced bending stiffness method 減少彎曲剛度法ring -bending stiffness 環(huán)曏彎曲剛度Determination of bending stiffness 彎曲靭性的測定joint bending stiffness 接頭剛度;接頭抗彎剛度 返回 bending stiffness