... sample frame 样本架构 sample inquire 样本调查 sample interview 样本访问 ...
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Welcome customers to inquire, ask for the sample.
欢迎客户来电咨询，索取样品。
youdao
Welcome to come to inquire more new and old customers to sample processing.
欢迎来人来电咨询，更多新老顾客来样加工。
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