(a) A system or arrangement of valves; valves collectively. (b) Opening and shutting in the manner of a valve; valve-like operation.
| 单词 | θ214292 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > control(s) > [noun] > valve > collectively (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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