| 单词 | power bellows |
| 释义 | > as lemmaspower bellows power bellows n. ΘΚΠ society > leisure > the arts > music > musical instrument > keyboard instrument > organ > [noun] > bellows windbag1470 bellows1542 power bellows1880 pneumatic1890 squiffer1914 1880 C. A. Edwards Organs ii. v. 65 The pneumatic action..by which the bulk of the pressure is taken from the key, by means of small power-bellows. 1930 N. S. B. Gras Industr. Evol. vi. 72 Besides the power bellows there was the rolling and slitting of iron and the grinding of tools by power. < as lemmas |
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