leveling instrument
常见例句
- Audiovisual products such as slide projector, projector, leveling instrument etc.
主要生産幻燈機，投影儀等電教産品及水準儀等測繪儀器。 - The research result lays a solid foundation for digital leveling instrument in theory.
本文的研究成果爲數字水準儀的研制奠定了一個良好的理論基礎。 - When the leveling instrument came, he set up the tripod skillfully and looked around through the meter for a long time.
水平儀拿來了，他老練地架起了三角架，前後左右地張望良久。
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