Paub meej txog qhov project
Cov qauv hlau ntawm Harbin Chuanhang Hangar qhov project yog raj truss qauv.
Daim duab qhia tau hais tias hauv av pre-assembly, siv lifting scheme
Post lub sij hawm: Dec-29-2021
Post lub sij hawm: Dec-29-2021