ホーム > 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.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
- 100% positive feedback
(Milwaukee, United States)