• Unmarried mother, pregn an cy at an early age, or first pregn an cy.

    未婚妈妈产妇年纪太轻或者是首次怀孕。

    youdao

  • To shorten the processing time, the surfactant producing strain CY-5 was compounded with strain CY-47 to oil removal experiment.

    缩短处理时间,故将表面活性剂产生cy - 5cy - 47进行联合实验。

    youdao

  • To shorten the processing time, the surfactant producing strain CY-5 was compounded with strain CY-47 to oil removal experiment.

    缩短处理时间,故将表面活性剂产生cy - 5cy - 47进行联合实验。

    youdao

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