Draft Document - Petroleum and natural gas industries - Cements and materials for well cementing - Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure (ISO/DIS 10426-4:2018); English version prEN ISO 10426-4:2018
文件草案——石油和天然气工业——固井用水泥和材料——第4部分:常压下泡沫水泥浆的制备和试验(ISO/DIS 10426-4-2018);英文版prEN ISO 10426-4:2018