单词:nonhalogen
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单词:nonhalogen 相关文章
Hard bargainers VS. soft bargainers Dialogue 1 A: We've got a problem...it looks like we'll need more spotlights on the exhibition booth. The client thinks it's too dark,and they want to add halogen lighting. We've already got 3 sets of track lighti
发表于:2018-12-31 / 阅读(67) / 评论(0)
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