better buildings challenge
共有78个3M工厂/设施参与了美国能源部的“更好的建筑挑战”（Better Buildings Challenge）计划，并与其他行业参与者一起致力于节能技术。
基于20个网页-相关网页
better buildings challenge
更好的建筑挑战
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Along with the first 14 Challenge partners announced at CGI America in June 2011, the following communities and school districts have now joined the Better Buildings Challenge.
WHITEHOUSE: Building Momentum