单词	piston pin
释义	piston pin noun : wrist pin Example Sentences Recent Examples on the Web Noise-fighting measures include a cast block of compacted graphite iron, offset piston pins to reduce piston slap and a two-piece oil sump that uses sandwiched polymer and metal material. Jeff Yip, Houston Chronicle, 6 Sep. 2019 Word History First Known Use 1853, in the meaning defined above
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