Noise-reduction headphones block the screech of the drill and play a CD of your choice, and the specially constructed dental chair channels the sound waves from the music into a full-body massage.
隔音耳机使你听不到牙钻刺耳的噪音，倾听自己喜欢的音乐。特别定制的治疗椅将音乐的声波转换成全身按摩。
Cadion gives two distinct reduction waves in the medium of 0.32m NaOH solution.
镉试剂在0.32M氢氧化钠溶液中有清晰的还原波，峰电位在—o。
Cadion gives two distinct reduction waves in the medium of 0.32m NaOH solution.
镉试剂在0.32M氢氧化钠溶液中有清晰的还原波，峰电位在—o。
应用推荐