Check the acidity of the soil with a test kit.
用试验具测一下土壤的酸度。
Check the acidity of the soil with a test kit.
用试验具测一下土壤的酸度。
A dentist sterilises his instruments.
牙科医生给他的具消毒。
It focuses on the flash tank devolatilizer which is most widely employed in industry.This type of devolatilizer is simple structure,low cost and high productivity.
重塔式薄膜蒸发型脱挥,该类脱挥具有结构简单、成本低、处理量大等。
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