Its aim is to forge a deal to reduce greenhouse gas emissions sufficiently to prevent an increase in global temperatures of more than 2 degrees centigrade.
其目的是制定协议，以减少温室气体排放量足以防止全球气温上升超过2摄氏度。
2
The structure of the temperature control system of the gas fired furnace for heating of the big aeronautic forge piece is studied.