实在是耳挂中的王子！
声学。测听设备校准用参照区。第1部分：纯音和耳挂式耳机的参考等效阈声压级。
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1 : reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.
研究者们顺理成章地得出这样一个结论：当黑板被挂擦时，该声响在我们的耳内放大，加剧了痛苦。
What seems to happen, the researchers reckon, is that when a screech on a chalkboard is generated, the sound is amplified within our ears to painful effect.
PC 121是一款挂耳式单耳通讯耳机，是廉价互联网电话和笔记本的理想选择。
The PC 121 is an over the ear monaural headset, ideal for inexpensive Internet telephony and laptop use.
采用型钢焊接的框架结构，两侧有安全护网，带支撑挂耳固定在链条上。
Frame is sectional steel design with two lateral safety grids. Supporting angles are fixed on bush roller chains.
挂耳可直接由铝板折弯而成，也可在面板上用型材另外加装。
The hanger can be either made by directly bending the aluminum sheet, or additionally equipped on the panel by shapes.
冰箱内胆、内胆挂耳、储物抽屉、塑料模块及发泡剂；
A refrigerator inner container, inner container hangers, a storage drawer, a plastic module and a foaming agent are mainly provided in the method.
冰箱内胆、内胆挂耳、储物抽屉、塑料模块及发泡剂；
A refrigerator inner container, inner container hangers, a storage drawer, a plastic module and a foaming agent are mainly provided in the method.
应用推荐