微: minute; tiny; light; slight碟: small plate; small dish; sau ...件: piece; article; item微蝶杆: regulating rod微调镗刀头: fine-adjustable boring head微定位: microposition微调镗刀接长杆: exte ion arbor for fine-adjustable boring tool; extension arbor for fine-adjustable boring tool微定位器: micropositioner微调镗刀杆: fine-adjustable bar for boring tool微定位装置: micropoistioning device微调镗刀: microcartridge微定值: microposition微调最小刻度: the minus value of fine focus knob
