A lot of motels lie beside the turnpike.很多汽车旅馆都位于付费公路旁边.You have to pay a toll to drive on a turnpike.在收费公路上开车要缴通行税.A lot of cars passed through the turnpike at rush hours.许多车在交通高峰时通过了高速公路....
目的:评价异 丁基 壳聚糖作为生物材料的安全性.Objective To evaluate the bio compatibility of isobutyl - chitosan as a material.使用二异丁基-二甲氧基硅烷, DQ催化剂的氢调敏感性更好.With di - iso - butyl dimethoxy DIBS, DQ catalyst was more sensitive to hydrogen regul...