在报纸印刷以前,过去是用手工排铅字的.We arranged lead letters by hand before a newspaper was printed.排字''.'工'.''把书面材料排成铅字的人;排字工人或印刷''.'工'. ''.One that sets written material into ...
The two principal combustion products are water vapor and carbon dioxide.两种主要的燃烧产物是水蒸气和二氧化碳。Soot is the product of the imperfect combustion of fuel.煤烟是燃料不完全燃烧的产物.Soot is usually the product of the imperfect combustion of...
1998年的资本外流量为220亿元。There was a capital outflow of $22 billion in 1998.这条河平均流量为每秒二百立方米.The average flow of the river is 200 cubic metres per second.按摩有助于增加身体特定部位的血液流量。Massage may help to increase blood flow to specific are...