長(zhǎng)度計(jì)量工初級(jí)長(zhǎng)度計(jì)量工單項(xiàng)選擇題每日一練(2019.04.30)

A.20-80%
B.30-70%
C.30-80%

A.1個(gè)分度值
B.1/2個(gè)分度值
C.1/3個(gè)分度值

A.0.04μm
B.0.05μm
C.0.10μm

A.±8μm
B.±4μm
C.±6μm

A.用刀口尺以光隙法檢定
B.用平晶的技術(shù)光波干涉法檢定
C.用刀口尺以量塊比較法檢定