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drawtube 英音 [ ˈdrɔːˌtjuːb ] 美音 [ ˈdrɔːˌtjuːb ] 释义 n. 伸缩管;显微镜的镜筒 例句 1·The design of the structure of Caseegrain drawtube in space remote instrument was introduced. The product model was constructed using 3-d CAD technique. 介绍了空间遥感仪器中卡塞格伦镜筒的结构设计,利用三维CAD技术构建了产品模型。 同义词 n. 伸缩管;显微镜的镜筒 extension tubetelescopic pipe
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