各家航空公司的客运货栈里,物件堆积如山,达到铲车货盘所能承受的饱和点.Air freight warehouses -- of all airlines - were stacked to their palletized limits with shipments.按照采购要求及时订购维修零件 、 铲车 、 器械等.Timely order repairing parts, forklift , instruments, etc. u...
The main difficulty was failure of refractories at high temperature.其主要的困难是高温下耐火材料的损坏.This is not to belittle the enormous progress in the development of refractories.这并非是小看耐火材料发展中的巨大进步.Commodities, Sugar Wheat Soya, Iro...
HIV - 1 integrase ( IN ) integrates viral DNA into host cells through two steps metal ions - dependent reactions.HIV -1 整合酶 ( IN ) 通过依赖金属离子的两步反应将病毒DNA整合入宿主细胞中.IntI 1 integrase gene and class 1 integron marker genes were ...