| |||
operation use time | |||
active working time | |||
effective operational length | |||
operational use time | |||
effective action time | |||
effective working time | |||
actual hours | |||
production time | |||
available time | |||
| |||
available machine time |
有效工作时间: 4 phrases in 3 subjects |
Business | 1 |
Chemistry | 2 |
Electronics | 1 |