“ratchet”的概念、定义、翻译、参考文献-科学参考

单词	ratchet
释义	ratchet [`rach·ǝt] ^{DESIGN ENGINEERING} A wheel, usually toothed, operating with a catch or a pawl so as to rotate in only a single direction.
随便看	filter choke filter cloth filter crystal filter design filter discrimination filtered-particle testing filtered radar data filtered stock filter factor filter feeder filter flask filter impedance compensator filtering filter leaf filter loss filter medium filter paper filter pass band filter photometer filter photometry filter press filter-press cell filter pump filter reactor filter sand

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