| 单词 | surveyor's level |
| 释义 | surveyor's level (once / 2954828 pages) n WORD FAMILY surveyor's level n surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land Hypo|Hyper Abney level a surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target Dumpy levela surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level surveying instrument, surveyor's instrument an instrument used by surveyors |
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