Cawv Dab Pob Tawb

Alcohol Blowtorch Featured Image

E21.0121

Cov lus piav qhia luv luv:

Xa email rau peb

Khoom Nthuav dav

Cov khoom lag luam

E21.0121 Cawv Dab Pob Tawb

Sawv ntsug diam 10cm, tag nrho qhov siab 16cm

Yav dhau los: Daniell roj teeb

Tom ntej: Ntoo Test Tube Clamp

Sau koj cov lus ntawm no thiab xa rau peb

Cov khoom pawg