Home > Term: optical plummet (undesirable usage)
optical plummet (undesirable usage)
An optical device that enables a theodolite to be accurately positioned over or under a survey station.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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ผู้สร้าง
- ed.young
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(Milwaukee, United States)