区域空间管制
spatial development control
空间电荷限制二极管
space charge limited diode
限制空间电荷累积二极管
Limited Sapce-charge Accumulation (LSA)diode
大空间空调
air conditioner in bigger space
大空间空调系统概述
Big space air- conditioning system outline
大跨度空间管桁架
large span spatial pipe truss
档案空间管理方案
file space management scheme
地面控制空间系统
ground controlled space system
防空管制中心
air defense control center {= ADCC
复杂时间－空间布局
complicated time-space layout
钢管空间构架
space frame of tubular steel sections
steel-pipe space frame
高大空间空调
large space air conditioning