mechanical drift indicator
... 照相井斜仪暗盒 loadingdevice 机械式井斜仪 mechanical drift indicator 单点测量井斜仪 single shot tool ...
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机械式测斜仪是石油钻井工程中使用的一种用于测量井斜的仪器。
The Mechanical Inclinometer is an apparatus which is used for oil drilling engineering to measure the deviation of the oil Wells.
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