pocket book pocket edition
glacial valley (galical-carved valley)
The super-wisdom valley The Bo Ruo Valley
The super-wisdom valley(The Bo Ruo Valley)
U-shaped valley(U-valley)
V-shaped valley(V-valley)
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