吉辛,乔治·罗伯特1857-1903英国作家,以其关于贫穷和艰辛的小说最出名, 比如新穷人街 ( 1891年 )British writer best known for his novels about poverty and hardship, such as New Grub Street ( 1891 )....
由脂肪醇、甲胺一步催化法制取烷基二甲基胺.Alkyl dimethylamine is made from fatly alcohol and dimethyla - mine by one stage catalysis.二手甲胺回收装置和工艺, 成套甲胺装置和工艺可以在世界各地重新安装.Used Methylamines Plant and Process, complete Methylamines Plant and Proce...
为了测图的需要,所有由仪器测定的散列高程点,均可列入高程点这一名称.For mapping purposes all scattered heights fixed by instrument may be grouped under this heading.我国在西北的酒泉卫星发射中心成功地发射了一颗测图卫星“天绘一号”.China successfully launched a mapping satelliteMapping S...
Ask: What afraid of arethusa take to assign name to of all have.问: 恐怕兰花拿啥子命名的都有了.Do you think most the geezer arethusa to assign name to be what?你认为最奇特的兰花命名是啥子?...
The lotion cools and refreshes the skin...这种润肤液凉爽清新，能够焕发肌肤的活力。Steam condenses into water when it cools.蒸汽冷却时凝结为水。If our environment cools, then messages from the skin alert the body's thermostat.如果外在环境变冷，体表会将这一信息传递给...