Conclusion This survey provided basic data for health and quarantine, and disease prevention as well.

结论此次调查为口岸的卫生检疫和疾病预防提供了基础资料。

youdao

Conclusion This survey provided basic data for health and quarantine, and disease prevention as well.

结论此次调查为口岸的卫生检疫和疾病预防提供了基础资料。

youdao