燃烧剂和氧化剂分别为煤油和液氧.The fuel and oxidizer are kerosene and liquid oxygen, respectively.汽化器把液氧转化成气态.Vaporizers convert the liquid oxygen into a gaseous state.如果皮肤接触到液氧, 脱掉任何可能限制冻伤区域血液循环的衣服.For skin contact, remove any clothin...
A report compiled by the Fed's Philadelphia branch described the economy as weak.一份由联邦储备银行的费城分部汇编的报告说经济不景气。Bibliographies are lists of books and are compiled in many different forms.书目是以许多不同形式编制的图书目录.The program int...