单词 | float-ball |
释义 | > as lemmasfloat-ball float-ball n. the ball of a ball-cock. ΘΚΠ society > occupation and work > equipment > other specific types of equipment > [noun] > tap > types of > part of float-ball1824 1824 ‘R. Stuart’ Descr. Hist. Steam Engine 156 Having a float~ball o, which opens and shuts the valve p. < as lemmas |
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