surveying instruments meaning in English

测量仪器（勘测仪器）

A leader in the industry of ophthalmic and surveying instruments
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Tripod connections for optical surveying instrument
光学测绘仪的三脚架连接装置
Surveying instruments ; centering , stub and socket
测量仪器.支柱和插座对中心
Instrument and tripod connectors on surveying instruments
测量仪器设备和三角架连接器
Circle graduation with visual reading for surveying instruments
大地测量仪器用目视阅读圆刻度盘

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