im·pel·ler 
(ĭm-pĕlər)
(ĭm-pĕlər)n.
1. One that impels, as a rotating device used to force a fluid in a desired direction under pressure.
2. A rotor or rotor blade.
| 单词 | impeller |
| 释义 | im·pel·ler (ĭm-pĕlər)n. 1. One that impels, as a rotating device used to force a fluid in a desired direction under pressure. 2. A rotor or rotor blade. |
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