Air raid wardens in tin hats self - importantly stalked the streets.空袭民防队员戴着钢盔神气活现地走在街上昂首阔步....wide-brimmed hats with red pom-poms worn by the local girls.当地女孩戴的宽边、有红色绒球的帽子The salesman showed her nearly all the hats in t...
writing paper and envelopes信纸和信封The writing paper is impressed with school seal.信笺上有学校的印记.Drouet selected writing paper while Carrie went to change her dress.杜洛埃找信纸写回信的当儿,嘉莉去换衣服....
Natural gas liquification involves both mixed - refrigerant cycle and nitrogen expander cycle.近几年国内天然气液化技术主要采用混合工质液化循环和氮膨胀液化循环.The Catalyst that is suitable for Shenhua coal liquification was found out through experiment...