... bottom hole hydraulic parameter井底水力参数 bottom hole location井底位置 bottom hole orientation sub井下定向接头 ...
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bottom m hole location 井底位置
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Are output boards at the bottom of each spindle inspected on the hole size & location, hole registration and hole quantity etc?
每轴底部的板子是否检验其孔尺寸,孔位,孔对准度与孔数量等?
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