... stadia transit 视距径纬仪 stadia transit survey 视距径纬仪测量 stadia wedge 测距光楔 ...
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... 量距器 distance measuring equipment 测距光楔，附加镜头 distance measuring wedge 远端地面控制 distant ground control ...
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短语
旋转光楔测距仪
rotating wedge range finder
扭转光楔测距仪
rotating wedge range finder