Sounds are recorded on ordinary records by etching the vibrations of a needle along a spiraling groove.
通过沿着螺旋槽刻划针的振动，声音被记录到传统的唱片上。
The company mainly produces all kinds of needle bearings and various 0 type deep groove ball bearing enterprise.
本公司主要生产各类滚针轴承和各种0类型深沟球轴承的企业。
The needle moves along the groove on a record.
唱针沿着唱片表面的细纹移动。
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