磨坊主都往自己磨里注水.Every miller draws water to his own mill.注水驱油是油田中后期的重要采油手段.Water flooding is the main method to enhance oil recovery.油田注水系统是油田地面工程的五大系统之一.Water injection system is one of the five systems in oilfield....
N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺....
During the filming, Curtis fell in love with his co-star, Christine Kaufmann.在电影摄制过程中，柯蒂斯爱上了同他联袂主演的明星克里斯汀·考夫曼。She stared past Christine at the bed.她的目光越过克里斯蒂娜盯着床。On balance he agreed with Christine.总的来说，他同意克里斯蒂娜的意见。...