alumina是什么意思

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...

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, ...

alumina的音标：alumina的英式发音音标为：[ə'lu:mɪnə]alumina的美式发音音标为：[ə'lumənə]...

Highly - displacement drilling is an effective technology to exploit peripheral oilfield.摘要大位移钻井是开发边际油田的有效手段.To exploit this demand, pawnbrokers are shedding their dingy, Dickensian image.为了开拓市场, 典当商人正在试图摆脱他们过去阴暗的狄更斯时代的形...

There should be a broader curriculum in schools for post-16-year-old pupils...学校对16岁以上的学生开设的课程，范围应该更广一些。This stretch of Lost River was broader and deeper.洛斯特里弗的这片水域又宽又深。The term Wissenschaft has a much broader meaning th...

There are approximately 12 million migrants with their dependants living in the EU countries.大约有1200万流动工人带着家属居住在欧盟诸国.The United States contributed approximately 35 percent of the World Bank's original $ 9.1 thousand...

重量异常的...

helmsmen的音标：...

cinema的音标：cinema的英式发音音标为：['sɪnəmə]cinema的美式发音音标为：['sɪnəmə]...

“变色”的拼音为：biàn sè...

mousse的复数形式为：mousses...

n.善于讲轶事的人( raconteur的名词复数 )...

bookbinder的音标：bookbinder的英式发音音标为：['bʊkbaɪndə(r)]bookbinder的美式发音音标为：['bʊkbaɪndər]...

n.年代学者...

“桥礅”的英语可以翻译为：abutment ...

膝瘤...

B . Fraternal Twins Fetuses may be of different sex.异卵双胞胎可能性别不同.The resulting fetuses consisted of either mostly paternally or mostly maternally expressed genes.这样产生的胎儿要么主要是父方的基因表达,要么主要是母方的基因表达.Results CCD and TCD of Nor...

异呋喃并香豆素...