简要介绍了新型光电式垂线坐标仪与引张线仪的原理、结构和技术特点。
The principles, structures and technical characteristics of the CCD coordinometer and wire alignment transducer are briefly introduced.
研制的NDCY 1型电测水平位移计，是对机械式引张线水平位移计的改进。
The NDCY 1 electrical horizontal displacement gauge is developed based on the previous one with mechanical tension wire.
应用推荐