氟化物是否具有潜在致癌性仍然是目前氟健康效应研究的课题。

Whether fluoride was a latency carcinogenicity had been a topic of study the health of fluoride.

youdao

氟化物是否具有潜在致癌性仍然是目前氟健康效应研究的课题。

Whether fluoride was a latency carcinogenicity had been a topic of study the health of fluoride.

youdao