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Air outer-penetration phenomenon of expanders was found, but without harmful appearance.
扩张过程中有气体外透现象, 未发现有害表现.
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The company has been expanding its customer base using trade magazine advertising.
公司一直通过在商业杂志上刊登广告扩展客户群。
《柯林斯高阶英汉双解学习词典》
Bill Ingram was charged with improving and expanding sales of System 5.
比尔?英格拉姆命令改进系列5号,扩大其销售.
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