A.高;降低 B.高;提高 C.低;提高 D.低;降低
A.0.074~0.25mm B.0.3~0.5mm C.0.00~0.25mm D.0.1~0.4mm
A.細(xì);粗 B.細(xì);細(xì) C.粗;細(xì) D.粗;粗