单词 | piston ring |
释义 | piston ring (once / 236387 pages) n WORD FAMILY piston ring: piston rings USAGE EXAMPLESIt says piston rings in the vehicles wear out quickly and some vehicles burn excessive amounts of oil. Washington Times(Jul 18, 2014) While still at engineering school, he started a workshop with the intention of developing a piston ring for sale to Toyota. Forbes(Mar 21, 2014) Pistons are made an easy fit to the cylinder bore, a steam-tight fit between the two being obtained by means of the piston rings. Rose, Joshua, Modern Machine-Shop Practice, Volum...(2012) n seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall Hyper seal fastener that provides a tight and perfect closure |
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