本单元组的职业之间很少或根本没有流动性。
There is little or no mobility among occupations in this unit group.
本单元组不同类型的主管之间几乎没有流动性。
There is little mobility between different types of supervisors in this unit group.
油井钻探和油井服务主管之间几乎没有流动性。
There is little mobility for supervisors from well services to well drilling.
应用推荐