| 单词 | box valve |
| 释义 | > as lemmasbox valve box valve n. now rare a valve placed in a short rectangular section of a pipe. ΘΚΠ society > occupation and work > equipment > conveyor > [noun] > conduit, channel, or tube > pipe > other parts of pipes bum1570 nipple1574 rider1728 shoe1770 nose-pipe1787 tack1823 box valve1833 bell end1851 taft1877 taft joint1891 pipe ear1905 spud1905 1833 I. Dodds Brit. Patent 6470 (1855) 4 Figures 1 and 2 in the said Drawing are intended to represent vertical and horizontal sections of a sliding box valve for a steam engine. 1847 Manch. Times & Gaz. 27 July 8/2 Immediately after turning on the steam..the box-valve, which is placed in the main steam-pipe, between the boiler and the cylinder, burst. 2007 Jrnl. Amer. Musical Instrument Soc. 33 139 In April 1872 Benjamin F. Quinby received a patent for an ‘Improvement in Military Brass Instruments.’ His ‘improvement’ was a new type of valve now called a box valve because of its rectangular shape. < as lemmas |
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