A cyanide free silver electroplating process with 5, 5 - dimethyl hydantoin as coordination agent is studied.研究了5, 5- 二甲基乙内酰脲为配位剂的无氰镀银工艺.The process of cyanide free silver pulse electroplating is investigated in 5, 5 - d...
There is only one thing that makes a dream impossible to achieve: the fear of failure.--Paulo Coelho世界上只有一样东西可以阻止梦想实现，那就是害怕失败。In Sao Paulo , a baby boy is chortling away , unaware that a court isdeciding his fate.据英国《卫报》...
他催促所有人拼命干活，直到生产遭遇瓶颈。He pushed everyone full speed ahead until production hit a bottleneck.凯瑟琳紧握着破裂的瓶颈。Catherine gripped the broken neck of the bottle.她正握着瓶颈摇晃一瓶葡萄酒。She was swinging a bottle of wine by its neck....
Our spirits rallied as the bitter-sweet alcohol worked its magic.苦中带甜的酒发挥了奇效，我们的精神随之振奋起来。I am feeling in the very best of spirits.我感觉自己的精神状态绝佳。As soon as she heard the telephone ring her spirits lifted.她一听到电话铃响就立刻来了精神。...
这张桌子上还盖着一块很美丽的漆布.This table had a cover made out of beautiful oilcloth.漆布一般由底基层,色料层和光漆层组成.Current uses by subbase layer and color pigments , varnishes tier.漆布(人造皮): 装订用布料,经砑光的染色胶料棉布.Leather - cloth: Cloth for bookbinding...