The quality of tubing can affect the output of crude oil directly.
油管的质量直接影响原油产量。
Conclusion: The factors of producing area is important to quality of crude drug.
结论：产地因素对药材质量尤为重要。
OBJECTIVE:To promote quality control over Chinese cut crude drugs.
目的促进中药饮片内在质量管理。
OBJECTIVE: To improve the quality of Chinese cut crude drugs.
目的：提高中药饮片的质量。
OBJECTIVE: To improve the quality of Chinese cut crude drugs.
目的：提高中药饮片的质量。
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