leveling instrument
常见例句
- Audiovisual products such as slide projector, projector, leveling instrument etc.
主要生产幻灯机，投影仪等电教产品及水准仪等测绘仪器。 - The research result lays a solid foundation for digital leveling instrument in theory.
本文的研究成果为数字水准仪的研制奠定了一个良好的理论基础。 - When the leveling instrument came, he set up the tripod skillfully and looked around through the meter for a long time.
水平仪拿来了，他老练地架起了三角架，前后左右地张望良久。
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