After setting, the surfaces of the specimens are ground down using carborundum and alumina.凝固之后, 样品表面连续用金钢砂或氧化铝磨平.Support the transport system for alumina and fluoride to the hoppers.支撑氧化铝和氟化盐进入料斗的传送系统.Activated carbon, ...
After setting, the surfaces of the specimens are ground down using carborundum and alumina.凝固之后, 样品表面连续用金钢砂或氧化铝磨平.Activated carbon, alumina are often used to remove many types of organic materials from aqueous streams.常用...
双方将在12月16日再次交锋以争夺进入四分之一决赛的席位。The sides must battle again for a quarter-final place on December 16.在洛杉矶，女性参选了几乎所有的竞争席位。Women are running in nearly all the contested seats in Los Angeles.他们在选举中惨败，仅获得微不足道的3个席位。They suffered...
The key difference between mere sketches and a paper prototype is interactivity.纯粹的草图和纸上原型的关键区别是它们的交互效果.He turned out stories and sketches to exemplify the generalized jottings of his notebook.他根据笔记里归纳起来的东西写了一些短篇小说和小品文.T...
Hormone replacement therapy is very important and should be instituted early.激素替代治疗非常重要，应该及早开始。Replacement parts couldn't be found for love or money.替换零件怎么都找不到。Sending a replacement jet would have been uneconomic.当时...