... 最小单位包装 unit package 背面上厚胶地毯unitary backing 一价，单价 univalance ...
双语例句
1
The euro's success so far has suggested that a currency can be stable without the backing of a unitary state.
目前，欧元的成功表明即使没有单一制国家作为后盾，货币也可以稳定。
2
It should explore business operation mode for safe landfill site of hazardous waste, such as unitary operation mode, integrated operation mode and backing on great enterprise operation mode.