| 单词 | bulb iron |
| 释义 | > as lemmasbulb iron bulb iron n. (also bulb angle-iron) Mechanics a bulbed iron or angle-iron used to strengthen joints or angles in the framework of ships. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > parts of vessels > body of vessel > [noun] > timbers of hull > deck or hold beams > plate or bulb strengthening blob1863 bulb iron1869 tie-plate1874 web frame1883 1869 E. J. Reed Shipbuilding i. 10 To introduce separate straps for the bulb-irons. 1869 E. J. Reed Shipbuilding viii. 138 A bulb angle-iron has been used for the deck beam. < as lemmas |
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