full frequency eaker

全频扬声器  detail>>

high frequency eaker

高频扬声器  detail>>

treble frequency loud eaker

高音扬声器  detail>>

eaker

埃克 胶底帆布运动鞋 扬声器，话筒，喇叭  detail>>

full frequency multiplex

全频复用  detail>>

full frequency speaker

全频扬声器  detail>>

full-frequency range recording

全频范围记录  detail>>

full-frequency recording range

全频程记录范围  detail>>

two-frequency full duplex

双频全双工系统  detail>>

full-time reserved voice-frequency link

全部时间备用音频链路  detail>>

cabinet eaker

箱式扬声器  detail>>

eaker box

音箱  detail>>

eaker selector

扬声器选择器  detail>>

eaker-phone

对讲电话  detail>>

loud eaker

扬声器  detail>>

plate eaker

平板喇叭  detail>>

screen eaker

屏蔽式扬声器  detail>>

talkback eaker

联络电话扩音器  detail>>