- leveling tube
- 水准管
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
leveling tube
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leveling instrument — Level Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to… … The Collaborative International Dictionary of English
Spirit leveling — is a technique for determining differences in height between points on the Earth s surface. It works by using a spirit level, an instrument consisting of a telescope and a tube level like that used by carpenters, rigidly connected. When the… … Wikipedia
Transbay Tube — Infobox tunnel name = Transbay Tube caption = line = Rail color box|system=BART|line=RedRail color box|system=BART|line=GreenRail color box|system=BART|line=YellowRail color box|system=BART|line=Blue location = San Francisco Bay, California… … Wikipedia
LA-2A Leveling Amplifier — The LA 2A Leveling Amplifier is an audio compressor originally produced by Teletronix in the early 1960s. Three versions of the LA 2A were made until 1969. [http://www.uaudio.com/ works/pdf/manuals/LA 2A manual.pdf] The LA 2A was inducted into… … Wikipedia
Levelling — For other uses, see Levelling (disambiguation). Single levelling redirects here. For other uses, see Single level (disambiguation). Levelling or leveling is a branch of surveying, the object of which is 1) To find the elevation of a given point… … Wikipedia
Spirit level — A spirit level or bubble level is an instrument designed to indicate whether a surface is level or plumb. Different types of spirit levels are used by carpenters, stone masons, bricklayers, other building trades workers, surveyors, millwrights… … Wikipedia
level — levelly, adv. levelness, n. /lev euhl/, adj., n., v., leveled, leveling or (esp. Brit.) levelled, levelling, adv. adj. 1. having no part higher than another; having a flat or even surface. 2. being in a plane parallel to the plane of the horizon; … Universalium
Flash memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube Non volatile … Wikipedia
surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… … Universalium
hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… … Universalium
Headlamp — Headlight redirects here. For other uses, see Headlight (disambiguation). High Beams redirects here. For the urban legend also known by that name, see Killer in the backseat. A motor scooter s front with an impractical number and variety of… … Wikipedia
