- smooth tube
- 光滑管道
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
smooth tube
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Tube sound — (or valve sound) is the characteristic sound associated with a vacuum tube based audio amplifiers. Some audiophiles prefer the sound that is produced by the distortion characteristics of tube based amplifiers. The audible significance of tube… … Wikipedia
Tube drawing — is an operation used to make a small diameter tube from a large diameter tube, by pulling the tube through a draw die.There are five types of tube drawing: tube sinking, mandrel drawing, stationary mandrel, moving mandrel, and floating… … Wikipedia
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Lava tube — ImageStackRight|300 Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava… … Wikipedia
Sand tube — Sand Sand, n. [AS. sand; akin to D. zand, G. sand, OHG. sant, Icel. sandr, Dan. & Sw. sand, Gr. ?.] 1. Fine particles of stone, esp. of siliceous stone, but not reduced to dust; comminuted stone in the form of loose grains, which are not coherent … The Collaborative International Dictionary of English
Sucker tube — Sucker Suck er (s[u^]k [ e]r), n. 1. One who, or that which, sucks; esp., one of the organs by which certain animals, as the octopus and remora, adhere to other bodies. [1913 Webster] 2. A suckling; a sucking animal. Beau. & Fl. [1913 Webster] 3 … The Collaborative International Dictionary of English
Normal tube — In topology, a normal tube to a smooth curve is a manifold defined as the union of all discs such that all the discs have the same fixed radius; the center of each disc lies on the curve; and each disc lies in a plane normal to the curve where… … Wikipedia
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