以对氨基水杨酸为原料,经酯化 、 酰化和烃化反应得乙氧苯酯,总收率为87.Ethopabate is prepared via esterification, acylation and alkylation from p - aminosalicylic acid in 87.在阀杆孔内的后座上镀镍,可应用在严酷的烃化环境.Nickel plated overlay on backseat in stem hole to combat...
内陆的平地和山谷中种着茂密的椰子树。The interior flatlands and valleys are thickly planted with coconuts.风猛地刮起一阵灰尘，将它吹往内陆。Wind caught the sudden puff of dust and blew it inland.从戛纳向内陆方向开车走约需15分钟。It's about 15 minutes' drive inla...