詞語：drawtube
drawtube的解釋
drawtube['drɔ:tju:b]n. 伸縮管；顯微鏡的鏡筒
drawtube的意思
drawtube 抽筒;鏡筒 鏡筒;drawtube extension tube 伸縮管;
drawtube的參考例句
1.Finally, inside this reflection of the secondary, you can see the focuser drawtube and your eye. 最後，在副鏡的反射像中，你能看到調焦座的伸縮管和你的眼睛的像。
2.The Periscope Drawtube will be bent because of the water resistance in sailing and this bend will cause the error of star measurement. 潛艇潛望鏡的鏡筒在航行時受到水的阻力會產生彎曲變形，這種變形會造成潛艇對星體測量的誤差；
3.The design of the structure of Caseegrain drawtube in space remote instrument was introduced. The product model was constructed using 3-D CAD technique. 介紹了空間遙感儀器中卡塞格倫鏡筒的結構設計，利用三維CAD技術構建了產品模型。