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Minimize drift of the instrument during prolonged operation.
在长期操作中，使仪表的误差减至最小。
youdao
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Inclinometer is an Instrument testing drift Angle and azimuth of drift hole.
斜仪是一种测定钻孔倾角和方位角的仪器。
youdao
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Inclinometer is an Instrument testing drift Angle and azimuth of drift hole.
斜仪是一种测定钻孔倾角和方位角的仪器。
youdao