“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	involutional melancholia involutional psychosis involution form involvucel involvucellate inward bound inward-outward dialing system inyoite I/O Io IOCS iodargyrite iodate iodcyanin iodic acid iodic acid anhydride iodide iodide process iodine iodine-131 iodine bisulfide iodine cyanide iodine disulfide iodine number iodine pentoxide

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