A.50g±0.1g B.50g±0.05g C.100g±0.05g D.100g±0.1g
A.1.0% B.1.5% C.2.0% D.2.5%
A.断后 B.原始 C.拉伸 D.屈服
A.100℃ B.105℃ C.105℃~110℃ D.100℃~105℃
A.1/4至1/2 B.1/4至3/4 C.1/2至3/4