救生
lifesaving
life-saving
救生舱
escape capsule
救生带
safety belt
救生筏
life raft
救生圈
buoy; life buoy
buoy
救生索
lifeline
救生艇
crash boat; lifeboat; raft
accident boat
救生演习
boat drill
救生氧气袋
pnepmatophore; pneumatophorus
救生用品
life-saving
救生员
lifeguard; lifesaver
救生装置
life-saving arrangement
距离阶波产生器
range-step generator
锯齿波发生器
sawtooth generator
可编程序发生器
programmable generator
可编程序图形发生器
programmable graph generator
可变二极管函数产生器
variable diode function generator
空气鼓风发生器
air blown producer
空气煤气发生器
air-producer gas generator
救
help; rescue; salvage; save; succour
save