Shell says the flow rate is now less than a barrel a day.
壳牌公司称目前每天的漏油速度低于一桶。
2
As the interface follows the solidification front of the shell metal, the areas of soft core metal showing at the barrel surface, will be patchy and not continuous.
由于结合层往往是沿着外层金属的凝固线所形成的，因此在辊身表面所呈现的此类缺陷是不连续，不规则的。
3
The process of barrel nickel plating of steel battery shell is strictly controlled in order to reduce production cost and improve product quality.