A、Water and electricity. B、Transportation expenses. C、Raw materials. D、Time and space. D由“In this way,time is shortened and spac

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问题  
What does the new production line save?

选项 A、Water and electricity.
B、Transportation expenses.
C、Raw materials.
D、Time and space.

答案D

解析 由“In this way,time is shortened and space saved.”可知答案。
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