Lub nplhaib Newton

Newton Ring Featured Image

E14.1705

Cov lus piav qhia luv luv:

Xa email rau peb

Khoom Nthuav dav

Cov khoom lag luam

Sab hauv diamerter 3.5cm, vojvoog ntawm curvature 855mm

Yav dhau los: Iav tsom iav me swb

Tom ntej: Yas Prism Nrog Cov Hlau Nplaum, Txheej 7

Sau koj cov lus ntawm no thiab xa rau peb

Cov khoom pawg