- 07
- Aug
thiết bị phòng thí nghiệm-kẹp ba hàm
kẹp ba hàm nnnnnnnnnnnnnn mmmmmmmmmmmmmmm
999999999999999999 ooooooooooooooooooo
9999999999
9999999999999999
kẹp ba hàm nnnnnnnnnnnnnn mmmmmmmmmmmmmmm
999999999999999999 ooooooooooooooooooo
9999999999
9999999999999999