千分尺的读数误差为0.001㎜。

A.0.1

B.0.01

C.0.001

D.0.0001

A.0.002

B.0.003

C.≤0.001

D.≤0.01

A、0.002

B、0.003

C、≤0.001

D、≤0.01

A.±0.1％

B.±0.01％

C.±l.0％

D.±0.001％

A.±0.1％

B.±0.01％

C.±l.0％

D.±0.001％

某千分尺+0.005的误差，若测量读数为90.010mm，则真实尺寸为_____mm。

A.90.01

B.90.005

C.90.015

D.90.010～90.015

某千分尺有+0.005的误差，若测量读数为90.010mm，则真实尺寸为______mm。

A.90.010

B.90.005

C.90.015

D.90.010～90.015

A.69.978

B.69.980

C.69.982

D.69.984