first wall material meaning in English
第一壁材料
Examples
- Vanadium is a candidate element for the first wall material of iter project . so its neutron data are very important . this is the main reason we did such measurement
~ ( 51 ) v是iter工程中第一壁材料的候选核素，在强的14mev中子辐照下长寿命剩余放射性较少，是重要的结构材料，因此它的一些中子核数据是必须的。