“sector gear”的概念、定义、翻译、参考文献-科学参考

单词	sector gear
释义	sector gear [`sek·tǝr ´gir] ^{DESIGN ENGINEERING} 1. A toothed device resembling a portion of a gear wheel containing the center bearing and a part of the rim with its teeth. 2. A gear having such a device as its chief essential feature. ^{MECHANICAL ENGINEERING} A gear system employing such a gear as a principal part.
随便看	back siphonage back slope back solution backspace backspring backstay backstep sequence back stoping backswamp backswamp depression back sweetening backtalk backthrusting back titration back-to-front ratio backtracking backup backup arrangement backup relay backup strip backup system backup tong Backus-Naur form back veneer back vent

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