... WD: Working Days 工作天 colliery working days煤业工作日 working vehicles-days 工作车日 ...
权威例句
1.
Mr Eveleigh said that, after investigations at the coal face, work restarted at Cambrian colliery just days after the tragedy, and it did not stop him working.
BBC: NEWS | UK | Wales | South East Wales | Fatal mine explosion remembered