以下操作或说法错误的是？ Which of the following operations or statements is wrong？
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以下操作或说法错误的是？ Which of the following operations or statements is wrong？
A.注入奥氏粘度计液体的液面应在大泡的上端，超过大泡的高度 The liquid level of the liquid injected into the austenite viscometer should be at the upper end of the big bubble and exceed the height of the bubble
B.不可将液体吸入橡皮管中 Do not inhale liquid into the rubber tube
C.液体温度在实验中要尽量保持不变，因为黏度系数大小和温度有关 The liquid temperature should be kept as constant as possible in the experiment, because the viscosity coefficient is related to the temperature
D.实验时，奥氏粘度计中
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注入奥氏粘度计液体的液面应在大泡的上端，超过大泡的高度 The liquid level of the liquid injected into the austenite viscometer should be at the upper end of the big bubble and exceed the height of the bubble