On Friday, officials and rescue agencies could still hardly measure the extent ofdamages and casualties in affected areas.
周五，官员及救援机构仍难以估算受灾地区损毁的程度和人员伤亡情况。
2
Waterflooding is a kind of conventional measure for improving production and recovery factor in an oilfield, but there exist some formation damages such as water sensitivity, emulsification, etc.