hand level

[′hand ‚lev·əl] (engineering) A hand-held surveyor's level, basically a telescope with a bubble tube attached so that the position of the bubble can be seen when looking through the telescope.

hand level

A hand-held surveying instrument used for rough checks of elevations and leveling work, usually limited in use to a radius of 200 ft (approx. 60 m) from an established elevation. Consists of a metal sighting tube (but no telescope) in which a spirit level is observed opposite the horizontal cross hair.

单词	hand level
释义	hand level hand level [′hand ‚lev·əl] (engineering) A hand-held surveyor's level, basically a telescope with a bubble tube attached so that the position of the bubble can be seen when looking through the telescope. hand level A hand-held surveying instrument used for rough checks of elevations and leveling work, usually limited in use to a radius of 200 ft (approx. 60 m) from an established elevation. Consists of a metal sighting tube (but no telescope) in which a spirit level is observed opposite the horizontal cross hair.
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