Bimetal Bar

Bimetal Bar Featured Image

E12.0209

Cov lus piav qhia luv luv:

Xa email rau peb

Khoom Nthuav dav

Cov khoom lag luam

Nrig Hlau + Hlau, 21x2cm.

Yav dhau los: Electromagnetic Wave Demo

Tom ntej: Ripple Tank

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Cov khoom pawg