aluminium water level ruler 铝水平尺
Coded level ruler 编码水准尺
level ruler encoding 标尺编码
bar code level ruler 条码标尺
Use level ruler to keep level with the marks.
用水平尺上侧同标记对齐保持水平。
Image processing for coded level ruler of digital levels is the critical technology to realize the automatic reading of digital levels.
数字水准仪编码水准尺的图像处理是实现数字水准仪自动读数的关键技术。
The utility model is composed of a level ruler body (1), an elasticity plastic clamp (2), a wooden folding ruler (3) and a level ruler component.
它由水平尺尺体（1）、弹性塑夹（2）、木折尺（3）及水平尺组件所构成。
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