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\ DDTS的例句（DDTS在句子中的用法）

DDTS的例句（DDTS在句子中的用法）

The residual levels of DDTs, HCHs in soil were different with different utilization types. 土壤中DDTs 、 HCHs残留在不同土壤利用方式下有所不同.
In DDTs the residual level of p, p? DDTs中p, p?
DDTs and HCHs serum level were detected by EC - ECD . 运用GC -ECD 方法检测血清中有机氯农药DDTs和HCHs水平.

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