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水中河蟹:倒顺镜看下精度,微倾调节螺丝有没有问题,因为这东西纯收藏吧!没多大实际意义 (2020-04-22 19:29)
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hales12:视准轴是否平行于水准管轴,是否存在i角误差,圆水准器是否平行于竖轴?三颗脚螺旋是否顺滑?微倾螺旋是否可以拧。 (2020-04-22 21:40)
hsfmj:这些要检测估计有点难 (2020-04-23 18:10)
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