inverse plummet observation

网络释义

1.	倒锤观测测绘专业英... ... 岛屿图 island chart 倒锤[线]观测，倒锤法 inverse plummet observation 灯[光性]质 characteristic of light ... liuxiang031130.blog.163.com
2.	倒锤法测绘专业英... ... 岛屿图 island chart 倒锤[线]观测，倒锤法 inverse plummet observation 灯[光性]质 characteristic of light ... liuxiang031130.blog.163.com
3.	倒锤线观测 ... direct plummet observation 正锤线观测 inverse plummet observation 倒锤线观测 laser plummet apparatus 激光铅垂仪 ... www.jukuu.com