It is better to be installed to the place with little temperature fluctuate and avoid the vibration and concussion.

压力变送器应尽量安装在温度梯度和温度波动小的地方，同时还要避免振动和冲击。

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Body temperature can fluctuate if you are ill.

如果你病了，体温会波动。

《柯林斯英汉双解大词典》

Records also show daily changes in the Columbia's water temperature as water flows fluctuate to generate hydroelectricity.

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