Lub ntsws thiab qauv ua pa

Lungs and Respiration Model Featured Image

E3E.0101

Cov lus piav qhia luv luv:

Xa email rau peb

Khoom Nthuav dav

Cov khoom lag luam

Dia.11.5cm.He qhov siab 10cm

Yav dhau los: Kev Tshawb Fawb Txheej Txheem

Tom ntej: Cov Timer Digital 4 LEDs

Sau koj cov lus ntawm no thiab xa rau peb

Cov khoom pawg