This new method not only saves time but also saves energy ________ operating on two batteries instead to four.

This new method not only saves time but also saves energy ________ operating on two batteries instead to four.
A) in
B) on
C) by
D) for
英语人气:226 ℃时间:2019-10-08 11:40:00
优质解答
C,by通过什么方式
我来回答
类似推荐
请使用1024x768 IE6.0或更高版本浏览器浏览本站点,以保证最佳阅读效果。本页提供作业小助手,一起搜作业以及作业好帮手最新版!
版权所有 CopyRight © 2012-2024 作业小助手 All Rights Reserved. 手机版