This type of steel is mainly used in oil and gas pipelines (including those operating under low temperatures and high pressure), ships, buildings and high-pressure vessels.
这种钢主要用于制造石油和天然气管道(包括低温和高压下操作)，船舶，建筑，高压容器等。
2
Dioctyl Phthalate wastewater was treated by pressure filtration oil scrapping neutralization adsorption pressure filtration adsorption process, and its operating conditions were explored.
采用压滤-刮油-中和吸附-压滤-吸附工艺处理邻苯二甲酸二辛酯废水，对处理工艺的运行条件进行了探讨。
3
Within the operating conditions, the extraction time depended on the extraction pressure and CO2 flow rate. The kiwi fruit seed oil can be extracted fully for 120-150min.