Analyses show that more effective method is ethanol or dielectric added in the mixed stram of gas-water .
分析表明：防止井筒内形成水化物的最有效方法是在气水混合流中添加乙醇或电介质。
Hank Stram was on vacation travelling through Europe by train with his two children .
汉克•斯特拉姆带着他的两个孩子外出度假，乘火车穿越欧洲旅行。
stram