Silicate minerals are characteristically refractory and difficult to break down.硅酸盐矿物的特点是耐熔和难以分离.Reflux leads to recurrent or refractory aspiration pneumonia.反流可引起复发的难治的吸入性肺炎.Successive bouts of heart failure are apt to ...
Silicate minerals are characteristically refractory and difficult to break down.硅酸盐矿物的特点是耐熔和难以分离.refractory metals难熔金属The key to treatment of refractory ores is preoxidation and deleading absorption of carbon on gold.这些方...
All the units employ hollow burned - clay blocks as the basic raw material.所有构件都用空心陶土砖做基本原料.Analogue computers are generalpurpose devices which employ laws of physics for performing mathematical operations.模拟计算机是用物理定律进行数...
Grandmother Chen and the " acolyte " had already stolen away.陈二奶奶和 “ 童儿 ” 已经偷偷的溜了.Chen Sheng was a native of Yangcheng.陈胜者,阳城人也." I'm not going to start arguing with you about rightism and leftism, Tsai Chen.“ 蔡真! 我...
他穿上厚厚的软皮鞋，系上鞋带。He pulled on his heavy suede shoes and tied the laces.她解开了一只鞋的鞋带。She untied the laces on one of her sneakers.门铃响时南希正在系鞋带。Nancy was lacing her shoe up when the doorbell rang....
他从来没遇到过一位真正的海军上将。He had never met a real live admiral.这种沙尘天气好多年都没遇到过了.It was the kind of duster not experienced in years.我们已好几个星期没遇到这样的雷暴雨了.We have not have a thunderstorm like this in week....