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单词
patent office
释义
patent office patent office n.(名词)A government bureau that studies claims for, grants, and maintains records of patents.专利局:申请专利权,授予专利权和保存专利记录的政府机关
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balled iron
ballerina
ballet
ballet-dancer
ballet-dancers' cramp
balletic
balletically
balletomane
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balley test for sulphur
ball float
ball float level controller
ball float trap
ball-float trap
ball-float valve
ball float valve
ballflower
ball-flower
ball game
ball girl
ball grinder
ball grinding mill
ball heater
balling
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