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double membrane
 double membrane
agric. 双膜
| loudspeaker
 loudspeaker
audio.el. 扬声器
exhib. 话筒
fig.skat. 扩音器
met. 喇叭
radio.amat. 喇叭; 扬声器
 loudspeakers
multimed. 扬声器

to phrases
double membrane
agric. 双膜 (membrana duplex)
repr.biol. 双层膜; 双膜
double membrane loudspeaker
: 8 phrases in 5 subjects
Agriculture2
Otorhinolaryngology1
Shipbuilding1
Technology3
Water resources1