spirit level
酒精水准仪
酒精水平仪
气泡水准仪
气泡水平器
气泡式水准仪
气泡水平仪
水平器
水准器
精神层
平水尺
气泡水位仪
水平仪
水平尺
coupling mechanism between upper level and low level jet
fiscal system at county level and township level
interaction between upper level and lower level
municipal level and county level
2- Axis turntable calibration
2-dimensional axis symmetry
3D coordinate axis transformation
4 axis robotic manipulator
4 axis simultaneous motion
5 axis simultaneous NC macLining