individual pocket dosimeter
quartz fiber pocket dosimeter
self-reading pocket dosimeter
pocket-sized radiation dosimeter
pocket book pocket edition
air pocket
气袋
气囊
气穴
气阱
气龛
气潭
空气袋
气泡
气坠
气窝
电磁信息泄漏
气陷
air pocket hand-type brake
algebraic logic of pocket calculator
arithmetic logic of pocket calculator