| 单词 | scraper ring |
| 释义 | > as lemmasscraper ring scraper ring n. a piston ring whose function is to scrape oil off the cylinder wall. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > piston > [noun] > parts of piston valve1735 piston rod1753 piston ring1754 piston head1824 gland1839 junk ring1839 slipper block1881 tail-rod1894 scraper ring1918 1918 W. E. Dommett Dict. Aircraft 35 The lowest ring, when placed at the bottom of the skirt, is known as a ‘Scraper Ring’. 1928 C. F. S. Gamble Story N. Sea Air Station xiii. 216 In the early days considerable difficulty was experienced with these engines owing to the rapid deterioration of the scraper rings fitted on the piston heads. 1980 Haynes & Legg Citroën CX Owners Workshop Man. i. 29/1 The oil control ring is fitted to the bottom groove, the scraper ring to the middle groove, and the compression ring to the top groove. < as lemmas |
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