英德
有道
百度
谷歌
图片
维基
百科
示踪元素
indicator element
tracer element
tracer elements
tracer element
tracer elements
- 孔隙速度是示踪元素穿过孔隙介质的速度。
The pore velocity is the velocity with which a tracer moves through a porous medium. - 美国马里兰，巴尔的摩人体暴露PM 2.5和示踪元素。
Personal exposures to PM2.5 mass and trace elements in Baltimore, MD, USA. - 结果表明，精炼过程和钙处理后的钢中显微夹杂物均含有钢包渣示踪元素镧；
Results show that the microinclusions in steel both in the refining process and after calcium treatment include La which is the tracer in ladle slag.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
