在不同时间点，两种无菌生理盐水同时取样，并进行细菌培养监则。

Samples of saline water were taken from both groups at different point of time for bacterial culture.

youdao

在不同时间点，两种无菌生理盐水同时取样，并进行细菌培养监则。

Samples of saline water were taken from both groups at different point of time for bacterial culture.

youdao