问题
单项选择题
干式高压水表调节板轴上每调一个齿的角度,可调误差为()%。
A、5
B、2
C、4
D、3
答案
参考答案:D
干式高压水表调节板轴上每调一个齿的角度,可调误差为()%。
A、5
B、2
C、4
D、3
参考答案:D
A
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