“jockey pulley”的概念、定义、翻译、参考文献-科学参考

单词	jockey pulley
释义	jockey pulley 张紧轮托轮导向轮辅轮
随便看	pilot controller pilot current pilot cut pilot cut-off pilot cutter pilot delay line pilot differential relay pilot direction indicator pilot director pilot drift pilot drill piloted head piloted multi-diameter reamer pilot engine pilot exciter pilot fatigue pilot filter pilot fit pilot flag pilot flame pilot flood pilot flow pilot frequency pilot frequency oscillator pilot-frequency oscillator

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