Peb cov kev daws teeb meem engineering yog tsom rau kev daws cov teeb meem uas tshwm sim los ntawm koj qhov engineering.Xws li cov mines, kev tsim kho, qhov dej, thiab lwm yam.
Kub kub tsis kam, tsis ntshai huab cua huab cua.
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