The second is to point to, to its security, effectiveness should be controlled medical instrument.

第二类是指，对其安全性、有效性应当加以控制的医疗器械。

youdao

The second is to point to, to its security, effectiveness should be controlled medical instrument.

第二类是指，对其安全性、有效性应当加以控制的医疗器械。

youdao