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【单选题】
B1为复测指示码编报3，是指（）.
A.
pH值复测，复测结果与初测结果的差别不大于0.05pH值单位
B.
电导率值复测，复测结果与初测结果的差别不大于两者平均值的15%
C.
电导率和pH值复测，复测结果与初测结果的差别pH值不大于0.05pH值单位、电导率不大于两者平均值的15%
D.
电导率值复测，复测结果与初测结果的差别大于两者平均值的15%
题目标签：指示
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参考解析：
刷刷题刷刷变学霸
举一反三
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【单选题】偏航阻尼器指示器指示的是什么（）？
A.
方向舵的偏转量
B.
由脚蹬引起的方向舵的偏转量
C.
由偏航阻尼器引起的方向舵的偏转量
D.
由脚蹬和偏航阻尼器共同引起的方向舵的偏转量