The synthesis methods of magnesia - alumina spinel are electro - fusion and sintering process.镁铝尖晶石的合成方法有电熔法和烧结法.Township enterprises have a paper, agricultural machinery bearings, magnesia and other plants.乡镇企业有造纸 、 农机轴...
The synthesis methods of magnesia - alumina spinel are electro - fusion and sintering process.镁铝尖晶石的合成方法有电熔法和烧结法.Magnesite deposits account for approximately 80 % of total magnesia production.大约80%的氧化镁产量来自菱镁矿.A substance...
大伙儿在游泳比赛前欣赏了跳水表演.The crowd enjoyed a diving display before the swimming races.他的晋升引起了大伙儿沸沸扬扬的议论.His promotion has provoked much discussion among us.嗨，各位，大伙儿都知道今天我们为什么在这里，那就直入正题吧。Hi everyone, we all know why we are here t...
...an untimely visit from the milkman...送牛奶的来得不是时候Have you paid the milkman this month?你这个月付款给送牛奶的人了吗?The milkman selected the spotted cows,from among a herd of two hundred.牛奶商从一群200头牛中选出有斑点的牛。The milkman selected the sp...