Hydroquinone is an important chemical material and intermediate in industrial chemistry.对苯二酚是一种重要的化工原料和中间体.Market prospect and production methods for pyrocatechol and hydroquinone are reviewed.概述邻苯二酚、对苯二酚的市场前景、生产方法.Antio...
笛福生动地叙述了鲁滨逊·克鲁索在荒岛上的冒险故事.Defoe skilfully narrated the adventures of Robinson Crusoe on his desert island.笛福生动地叙述了鲁浜逊克鲁索在荒岛上的冒险故事.Defoe vividly narrated the adventures of Robinson Crusoe on his desert island.《罗宾逊漂流记》是笛福的杰...
准许他们迟延48小时,以收集更多的证据.They were granted a delay of 48 hours to gather more evidence.我们推测迟延是由某种事故所致.We surmised that the delay was caused by some accident.切勿迟延.Be sure not to delay....
上周的霜冻对柑橘种植业是一场大灾难.The frost last week was a great calamity to the citrus industry.洪水是一场大灾难.The flood was a major catastrophe.小错误可能会招致大灾难。A slight mistake could precipitate a disaster....
The design of the most important part of micrometer can be seen in Fig . 2 - 28 .测微器最重要部分的设计见图 2-28.Low pressure drop. Micrometer adjustment. Flanged with threaded companion flange.具有低压降,可微调, 配有法兰等产品特点.Completed ability ...