2020av麻豆最新国产播放网址_国模掰B给你看私拍150p_97色多多在线精品视频_泰国AV无码不卡

Project progress

Inspection of the external system of the two phase calciner of CNOOC

Date of release:2017/12/01 | Follow:2410


The two stage calciner of CNOOC and the ammonia desulphurizationproject of roaster are now under intense construction. At present, the mainbody of the roaster is basically completed, and the external system has beenchecked.