空匣音
bandbox resonance
绝对茁叩响
absolutely dull percussion resonance
叩响
percussion resonance; resonance
叩响的
resonant
叩响减弱
decreased resonance
叩响增强
increased resonance
净化空气总管
clean air manifold
净空
headroom
clear space
净空高度
head room; head-room clearance; overhead clearance
净空间
clear space
静止空气粘滞性
viscosity of stationary air
绝对空间
absolute space
绝对真空
absolute vacuum
军事航空管制
military air-traffic control
卡尔真空烘箱
carr oven
开放领空
open skies
开空头支票
kite flying
开空头支票的人
paper hanger
可存取地址空间
accessible address space
可见空间
visible space