| 单词 | poppet-valved |
| 释义 | > as lemmasˈpoppet-valved ˈpoppet-valved adj. having one or more poppet-valves. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > control(s) > [adjective] > provided with a valve > relating to type of valve shut-off1869 non-return1883 pop-off1902 poppet-valved1912 1912 Motor Traction 12 Oct. 328/2 The writer has in his possession a list of some 250 poppet-valved engines, together with such data as valve diameters, [etc.]. 1919 W. H. Berry New Motoring xvi. 126 The poppet-valved engine, badly made and of unsuitable materials, can be an atrocious production. 2003 Eastern Daily Press (Norwich) (Nexis) 3 Nov. The final result was a very clean, neat engine which was quieter when running than any poppet valved engine. < as lemmas |
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