贝耳受话机 贝尔受话器

bellreceiver  detail>>

贝耳受话机

bell receiver  detail>>

贝尔受话器

bell receiver  detail>>

单耳受话器

single head receiver  detail>>

双耳受话器

bi-telephone  detail>>

头戴式单耳受话器

monaural receiver  detail>>

受话器

telephone receiver; telephone earphone; receiver  detail>>

受话机

earphone  detail>>

双耳受话顺

double headphone  detail>>

单极受话器

single pole receiver single-pole receiver  detail>>

单头受话器

single head receiver  detail>>

电磁受话器

electromagnetic microphone electromagnetic receiver  detail>>

电话受话器

telephone earphone receiver telephone receiver  detail>>

耳机（受话器）

earphone  detail>>

耳塞受话器

ear receiver  detail>>

骨导受话器

bone conduction receiver  detail>>

静电受话器

electrostatic telephone  detail>>

舌簧受话器

vibrating reed receiver  detail>>