| 单词 | single-action |
| 释义 | > as lemmassingle-action single-action adj. ΚΠ 1852 tr. J. J. Seidel Organ & its Constr. 36 Single-action bellows..is generally very small. 1863 A. Young Naut. Dict. (ed. 2) 20 Atmospheric, or Single Action, Engine. < as lemmas |
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