发布时间:2025-02-06 16:53:48
沉降观测记录对新建工程的下沉情况进行测量时所作的记录:即对已经设置好的若干观测点的高程变化情况进行监测,资料中的高程数据就是每次监测的数值(这个数值起初变化较大,后来逐渐趋于稳定)。在实际工作中,高程数据往往采用相对标高数据)
50瓦投光灯闭合开关后不是正常亮只有一点微亮而且还有不亮的是怎么回事
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