头带受话器耳机  earphone

头戴耳机头盔  headpiece

头戴受话机  headpiece

头戴受话器  headband; headphone; head telephone; head piece; Headgear; headset; earphone

双耳机受话器  bitelephone receiver

监听头戴耳机  monitor headphone

头戴耳机  head phone; headphone; head phone=headphone; Can; headgear headphone

双耳受话机  biphone

双耳受话器  bi-telephone; double tail-phone receiver

按钮电话受话机  push button telephone receiver

电话受话机  telephone receiver

手机受话器  cell phone speaker

电话受话器  Telephone; earphone receiver of

半沉头机器螺钉  oval countersunk fillister head machine screw

半圆头机器螺丝  snap head machine screw

表情机器头  emotional robot head

镀镍低碳钢平头机器螺丝  nickel-plated mild steel countersunk head machine screw

镀镍低碳钢圆头机器螺丝  nickel-plated mild steel round head machine screw

镀锌沉头机器螺丝  galvanized mild steel countersunk head machine screw