问题

薄中厚皮片的厚度约为
A:0.25~0.35mm
B:0.3~0.35mm
C:0.35~0.4mm
D:0.35~0.45mmE、0.37~0.5mm
B:0.3~0.35mm
C:0.35~0.4mm
D:0.35~0.45mmE、0.37~0.5mm
正确答案是:
同类题型