读头，读数头
1. 读磁头：reading error 读数错误 | reading head 读磁头 | reading machine 阅读机
2. 读出头：reading glass 读数放大镜 | reading head 读出头 | reading index 读数标志
3. 读头：reading encoder 读出符号器 | reading head 读头 | reading laser beam 读出激光束
4. 读值头：读值表面 reading face | 读值头 reading head | 读值透镜 reading lens
1. I know if not all, but most of you are nodding your head in affirmation while reading these line.
2. When Reading and Chelsea met in October the game was marred by a serious head injury to Cech.