英语词汇“friction-ball”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

> as lemmas

friction-ball

friction-ball n. one of the balls used to lessen the friction of bearings, etc.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > parts for reducing friction

bearing1734

friction-wheel1772

friction-roller1793

friction-ball1813

cylinder1819

screw-down1864

ball bearing1867

needle roller1935

1813 Weekly Reg. 4 111/2 The wheels of both boats and carriages are provided with double ratchets reversed, or friction cups and balls.

1842 G. W. Francis Dict. Arts Friction balls.

extracted from frictionn.

as lemmas

单词	friction-ball
释义	> as lemmas friction-ball friction-ball n. one of the balls used to lessen the friction of bearings, etc. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > parts for reducing friction bearing1734 friction-wheel1772 friction-roller1793 friction-ball1813 cylinder1819 screw-down1864 ball bearing1867 needle roller1935 1813 Weekly Reg. 4 111/2 The wheels of both boats and carriages are provided with double ratchets reversed, or friction cups and balls. 1842 G. W. Francis Dict. Arts Friction balls. extracted from frictionn. < as lemmas
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