| 单词 | fire tube |
| 释义 | > as lemmasfire tube fire tube n. †(a) a tubular (part of a) firework or gun (obsolete); (b) a pipe or tube through which fire or flames pass; esp. each of a set of such tubes (formerly, a single tube) in a boiler for heating surrounding water (contrasted with water tube n. (a) at water n. Compounds 7). ΘΚΠ the world > matter > properties of materials > temperature > heat > heating or making hot > that which or one who heats > [noun] > a device for heating or warming > devices for heating buildings, rooms, etc. > chimney > flue or shaft tewelc1384 shaftc1450 tunnel1508 shankc1525 chimney-shank1552 flue1582 gullet1672 funnel1688 fire tube1729 vent1756 stalk1821 chimney neck1833 stovepipe1858 1729 G. Shelvocke, Jr. tr. K. Siemienowicz Great Art Artillery v. x. 333 We might by this last method very conveniently..describe an Helical or Spiral Line, round the last great Fire Tube [Fr. le tuyau] I gave you. 1795 T. Beddoes Considerations Factitious Airs ii. 6 The fire-tube.., when of equal contents with the Alembic, exposes a greater surface to the action of the fire. 1819 Q. Rev. Jan. 193 There is nothing..that bears any allusion to their knowledge of cannon before the invasion of Gengis-Khan, when (in the year 1219) mention is made of ho-pao, or fire-tubes, the present name of cannon. 1827 T. Tredgold Steam Engine iii. 139 The only thing that seems capable of being done to improve the present construction, is to make the boilers much longer..and the fire tube larger. 1903 Daily Chron. 7 Jan. 7/2 In the fire-tube or cylindrical boiler the fire and smoke went through the tubes. 2001 Model Engineer 186 124/1 In long boilered engines, the main restriction to gas flow is in the firetubes. < as lemmas |
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