Please have maker check quality before sending.

请在寄样品前让制造商检查质量。

youdao

To distinguish the correctness of the questionable data found out in single item check quality control, is a key technical problem in meteorological data quality control.

对于气象资料质量控制中单项检验为可疑的数据，如何进一步判别它的错误与正确，是气象资料质量控制中的一个重大技术问题。

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Dr.Kausalya Pendyal tells her patients in Richmond, Virginia before they go outside to check the Air Quality Index - a U.S.government assessment of pollutants in the air.

VOA: standard.2010.08.04

With short lines of communication to suppliers, the retailer could keep a better check on quality and was more flexible.

ECONOMIST: Textiles

He said stores should check the quality of the paper and printing, as well as the metallic security thread and watermark.

BBC: Counterfeit notes warning for East Lothian shopkeepers

One copy of Spider-Man 2 was purchased to check its quality - and another was immediately produced by one of the traders to take its place on the blanket.

BBC: NEWS | Entertainment | Tracking down the pirate DVDs