A.局部加熱、冷壓 B.冷壓、局部加熱 C.冷壓、冷壓 D.局部加熱、局部加熱
A.0.5~1.0mm B.1.0~1.5mm C.0.2~0.5mm D.1.0~1.5mm
A.1/5,1/3 B.1/4,1/3 C.1/3,1/4 D.1/5,1/6