主要特點(diǎn)
?可用于非整圓(<1/2圓)半徑測(cè)量,使用方便
?任意位置清零,便于相又寸測(cè)量與絕列測(cè)量轉(zhuǎn)換
?任意位置公制與英制轉(zhuǎn)換;
FEATURES
Used for measuring arc radius less then 180°
Zero-setting at any position, convenient for relative and absolute measurement conversion
mm/inch conversion at any position