A.45°~60° B.30°~45° C.25°~30° D.10°~40°
A.40~65N/m B.20~30N/m C.30~40N/m D.70~80N/m
A.拉伸 B.扭轉 C.彎曲疲勞 D.變形
A.450:300 B.350:250 C.250:150 D.150:100
A.80B.150C.160D.170