Supervisors in this unit group supervise and co-ordinate the activities of railway and yard locomotive engineers, railway yard workers and railway labourers.
本单元组主管监督和协调铁路和站场机车工程师，铁路站场工人和铁路工人的活动。
Supervisors in this unit group supervise and co-ordinate the activities of railway and yard locomotive engineers, railway yard workers and railway labourers.
本单元组主管监督和协调铁路和站场机车工程师，铁路站场工人和铁路工人的活动。
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