“fourth pinion”的概念、定义、翻译、参考文献-科学参考

单词	fourth pinion
释义	fourth pinion 四齿轴第四小齿轮
随便看	boost(er) power plant booster pump booster relay booster resistor booster response booster ring booster (rod) booster shots booster signal booster stage booster station booster stations booster tension booster thermocouple booster thrust booster training device booster transformer booster transmitter booster-type diffusion pump booster-type master cylinder booster unit booster valve booster voltage booster well boost gauge

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