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rachet n
dril. 棘轮; 棘爪; 棘轮机构
interntl.trade. 使经济增长不可逆转的强制手段
 English thesaurus
rachet n
tech. a variant of "ratchet" (see Mirriam-Webster Online Dictionary mayeristvan)
rachet: 5 phrases in 2 subjects
Drilling4
Shipbuilding1