(a) A system or arrangement of valves; valves collectively. (b) Opening and shutting in the manner of a valve; valve-like operation.
| 单词 | θ102830 |
| 释义 | the world > space > relative position > closed or shut condition > [noun] > closing or shutting > closing and opening like a valve (1) valving1948 (a) A system or arrangement of valves; valves collectively. (b) Opening and shutting in the manner of a valve; valve-like operation. |
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