wireless drift indicator
... wireless compass 无线电罗盘 wireless drift indicator 无线测斜仪 wireless operator 无线电报务员 ...
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无线随钻测斜仪 Measure While Drilling
·2,447,543篇论文数据,部分数据来源于NoteExpress
设计了一种机械式无线随钻测斜仪。
A mechanical wireless inclinometer to measure holes deviation was designed.
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