词汇	play-day
释义	play-day na.休息日；英煤矿工人等的假日
随便看	optic fiber delay line optic fiber digital transmission optic fiber dispersion optic fiber displacement meter optic fiber displacement sensor optic-fiber Ethernet optic fiber F-Pstrain sensor optic fiber F-P strain sensor optic fiber gas sensor Optic fiber grating optic fiber grating sensor optic fiber gyro optic fiber gyroscope Optic fiber gyroscope Optic fiber gyroscopes Optic fiber hydrophone optic fiber image sensors optic fiber interference optic-fiber light source Optic fiber Light Transmitting optic-fiber links optic fiber measuring tape optic fiber oxygen sensor Optic fiber photoelectric switch Optic fiber position measuring instrument