三道屏障

PMC核燃料装卸贮存系统直接吊装核燃料组件，即直接面对核电站三道屏障中的第一道屏障&燃料包壳，其安全性是核电站核安全的重要保障。

Nuclear fuel handling and storage system ( PMC ) is a system which directly handles nuclear fuel assemblies , namely , it directly faces to nuclear fuel cladding which is the first of the three barriers of nuclear safety for nuclear power station .

在资金回收环节上，根据保险行业的特点，构建应收保费管控的三道屏障：信用管理、应收保费管理和逾期保费催收。

Regarding premium payment , three layers of protection are recommended for the management and control of premium payment to be collected according to thecharacteristics of insurance industry .

到2005年，完成三道绿色生态屏障建设。

By2005 , three green shelters will be formed for the city .

构筑预防腐败的三道防线及其八大屏障

Three Defense Lines & Eight Screens Anti-Corruption