| 摘要 |
Disclosed is a structure of conic spherical mirror(100) to observe four direction shape of a car through the plane surface, and an oil pressure actuator thereof. The conic spherical mirror(100) is installed on a multi-stage regulator(200) so that the horizontal direction of the conic spherical mirror is regulated as 25 to the extent of 25 degree. Also, height of the conic spherical mirror(100) is regulated by an air pressure operation apparatus(300). Thereby, the conic spherical mirror(100) is widely adjustable with convenient manipulation.
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