A.研修閥體孔徑,換新的滑閥芯 B.研修滑閥 C.閥體與滑閥同時修磨 D.閥體與滑閥任換一個
A.0.05mm B.0.1mm C.0.5mm D.1mm
A.0.01~0.02mm B.0.02~0.04mm C.0.05~0.10mm D.0.10~0.05mm