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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