搜索结果: 1-1 共查到“安全科学技术 contractors”相关记录1条 . 查询时间(0.055 秒)
Safe maintenance - Working with contractors and subcontractors
Safe maintenance Working contractors subcontractors
2014/4/24
Maintenance is a generic term for a variety of tasks carried out in all sectors and all kinds of working environments. Corrective as well as preventive maintenance, is a typical ancillary activity tha...