?分区送风
... air wire 天线，架空导线 air zoning 分区送风，分段送风 AISC (American Institute of Steel Construction) 美国钢结构学会 ...
?分段送风
... air working chamber ==> 沉箱工作室 air zoning ==> 分段送风,分区送风 air-acetylene ==> 空气乙炔焊 ...
空调分区
分区送风
Designed to bring light and air down the street even as skyscrapers soared higher, the earliest zoning codes called for setbacks, and left it largely at that.
WSJ: Zoning Laws Grow Up | By Julie V. Iovine
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。