如果针对“干燥手臂”功能,对比“纸巾”与“干手器”的环境影响,以下哪种( )可作为其“功能单位(function unit)”If you compare the environmental impacts of tissue and hand dryer for the cleaning of hands function, which of the following can be used as the function unit of the LCA study( )
A.
擦干10000双手,服役1年 To dry 10000 pairs of hands and serve for one year
B.
擦干10000双手 To dry 10000 pairs of hands
C.
1000 只“干手器” 和1000张纸巾 1000 hand-dryers and 1000 pieces of paper
D.
擦干某学校师生的手臂,服役1年 To dry the hands of all teachers and students in a school for one year