A.1.40±0.08 B.1.35±0.04 C.1.48±0.04
A.注油-打后坑-壓尖 B.注油-打后坑-裝芯頭-打前坑-壓尖 C.打前坑-注油-打后坑-裝芯頭-壓尖
A.φ23.26/26.20 B.φ22.26/26.20 C.φ23.26/25.20