| 单词 | ball float |
| 释义 | > as lemmasball float ball float n. a more or less spherical float (float n. 9a) which operates a valve or ballcock. ΚΠ 1925 Jrnl. Philos. 22 151 The water level in a tank equipped with a ball float. 1978 E. Gundrey Simple Plumbing 42 Hang a ‘sacrificial anode’ low in the middle of the water (but not touching the ball float). 1991 G. Keillor WLT: Radio Romance vii. 53 Then Roy's attention wavered..and he drifted along to something else—the windmill, the lithograph, the ball-float toilet. < as lemmas |
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