A.加快 B.減慢 C.不變
A.0.8mm B.1.0mm C.1.2mm D.1.6mm
A.轉(zhuǎn)速快些，進給量大些 B.轉(zhuǎn)速慢些，進給量小些 C.轉(zhuǎn)速快些，進給量小些 D.轉(zhuǎn)速慢些，進給量大些
