主要特点
•高准确度(7钻)
•防震
•防水防尘
•读数方便
•有微调机构
•快门线提升测轴
FEATURES
•High accuracy(Rubies7)
•Shockproof
•Waterproof 、dustproof
•Easy to read
•Easy fine adjustment
•Shutter line lift the maesuring spindle