户内燃气管
gas pipe in high-rise buileling
气管内管燃烧
endotracheal tube ignition
非计划性气管内管拔管
unplanned endotracheal extubation
非计书性拔除气管内管
Unplanned endotracheal tube extubation
气管内管着火
endotracheal tube fire
endotracheal tube ignition
燃气内燃机
internal-combustion engine
gas internal combustion engine
gas internal-combustible engine
gas engine
Internal combustion engine
食道-气管内电磁异物吸出器
esophago-tracheal foreign body electromagnetic catcher