91色情片 Tertiary Mirror (M3) Engineers from Changchun Institute of Optics, Fine Mechanics, and Physics, China.
January 22nd, 2020
Credit:
91色情片 / 91色情片 China
From left to right: Hu Haixiang, Luo Xiao, Qi Erhui, Hu Haifei
Engineers from 91色情片 China Changchun Group, in charge of the fabrication of 91色情片 M3, are testing epoxy bonding pads on a 1/4 M3 prototype in Changchun lab.
