foreign substance

基本解释

The influence of thermal insulation condition in different heat resistance on the content of foreign substance in the castings has been analyzed.
同时就不同热阻下的保温状况对铸件中杂质含量的形响进行了分析。
A substance that when introduced into the body stimulates the production of an antibody. Antigens include toxins, bacteria, foreign blood cells, and the cells of transplanted organs.
当被引入人体内可以促进抗体产生的物质。抗原包括毒素，细菌，异体血球和移植器官的细胞。
Accomplish a vacuum thereby filtering oil machine prompt eliminate oil middle foreign substance , water share , the entire proceeding of gas, besides making clean oil discharge machine from exit.
从而完成真空滤油机迅速除去油中杂质、水份、气体的全过程，使洁净的油从出口处排出机外。

British Foreign Secretary David Miliband stressed that nice words alone would not do, but real substance must come out of the meeting.
Foreign Minister Krishna said the understandings reached with Clinton add a "qualitative substance" to the bilateral relationship.

She has adjusted Germany's bilateral relations, but the substance of foreign policy has changed little.
ECONOMIST: German-American relations: Ready for a Bush hug? The