防烟排烟
smoke control and exhaust
操作后呼吸性疾患NOS
Other postprocedural respiratory disorders
萃取后操作
post-extractive operation
其他操作后的呼吸性疾患
Postprocedural subglottic stenosis
其他操作后肌肉骨骼疾患
Other postprocedural musculoskeletal disorders
操作作战特性
Operational characteristics
非同作操作系统
nonconcurrent operating system
NCOS
工作操作系统
WOS Working Operating System