All her letters were carefully filed away in folders.她所有的信件都整齐地放在文件夹中。He sorted the materials into their folders.他把材料分门别类放进了文件夹。By insertion of photocopies, all folders can be maintained complete with little extra effort...
The ledgers and account books had all been destroyed.分类账本和账簿都被销毁了.The ledgers had all been destroyed.账簿都被销毁了。To ensure proper maintenance and accuracy of accounting ledgers and subsidiary records.确保会计帐簿完整准确,并妥善保管所有凭证,附件和...
Typical components in such a blend could be isooc'tane, alkylate and catalytic reformate.这种混合物中的典型成份可能是异辛烷, 烷基化合物和催化重整产品.The FCC unit produces large quantity of raw materials for alkylate producing.催化裂化装置还生产大量可以用于生产...
碳化合物氧化后必然会产生二氧化碳。Carbon dioxide is a necessary result of the oxidation of carbon compounds.氧化胆固醇可能是造成动脉堵塞的元凶。Oxidized cholesterol may be responsible for furring up the arteries.碳、氢、氧化合形成碳水化合物和脂肪。Carbon, hydrogen and oxyg...