计量工具 mitutoyo量具 mitutoyo外径千分尺 盘式外径千分尺盘式外径千分尺编号规格123-1010-25mm分度值0.01mm测砧 20mm123-10225-50mm123-10350-75mm123-10475-100mm123-105100-125mm测砧 30mm123-106125-150mm123-107150-175mm123-108175-200mm123-1130-25mm钨钢测砧 20mm123-11425-50mm123-11550-75mm123-11675-100mm电子数显盘式外径千分尺编号规格323-2500-25mm分辩率0.001mm测砧 20mm323-25125-50mm323-25250-75mm323-25375-100mm数显直进盘式外径千分尺编号规格369-2500-25mm分辨率0.001mm测砧 20mm369-25125-50mm369-25250-75mm369-25375-100mm