New V - Twist collagen technology is designed to increased arteriotomy coverage and enhance conformability to the artery. 新的V - 绞合胶原技术是设计用来增加对动脉切开部位的覆盖和增强与动脉的一致性.
Aluminum is made from bauxite.铝是从铝土矿中提炼出的.The seven leading bauxite exporters formed the International Bauxite Association.七个主要的铝矾土出口国组成国际铝矾土协会.Industry: petroleum, diamonds, iron ore, phosphates, feldspar, bauxite, uran...
"Would you," he asked diffidently, "like to talk to me about it?"“你想跟我说说这件事吗？”他怯怯地问道。Victor Henry diffidently named three well - known rear admirals.维克多·亨利迟疑不决地提了三个有名气的海军少将.She followed him diffidently through the clatte...
由二苯并-1,3-二氧杂 - 环辛烷 -2- 羧酸经两步反应制得, 总收率70%.It was prepared by the reaction of 12 H - dibenzo [ d , g ] [ 1,3 ] dioxocin - 6 - carboxylic acid with acetoxime....