un.穴泉;彈簧;獨立彈簧;獨立筒床墊。
例句
1.Spring cans are required , as practical and should not disengage from thespring pocket .
要求使用彈簧罐,在實際中不許脫離彈簧籃子。
2.The team is planning to launch eight of these pocket cubes packed inside alauncher on a Russian ballistic missile by spring of 2011.
這個團隊正在計劃在2011年春季將八個這樣的口袋大小的立方體衛星搭載在俄羅斯的彈道火箭上發射升空。