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"水听器"stresses
mil. "Гидрофон" (Gidrofon, 号侦察船(苏))
水听器 shuǐtīngqì
tech. гидрофон
水听器
: 34 phrases in 7 subjects
Electronics3
General10
Nautical6
Oceanography & oceanology1
Oil / petroleum2
Technology11
Telecommunications1