大家都搜：
程序保护
1、projectile protection───投射物防禦
2、protection against───保护；防护
3、copyright protection───[计] 版权保护
4、protection cover───[电]保护罩
5、provide protection───提供保护
6、focused protection───集中防护
7、protection───n.保护；防卫；护照
8、cross protection───交叉保护作用；防止碰线，防止混线
9、livestock protection───牲畜保护
1、Porous catalysts with carbon fiber for ethylbenzene dehydrogenation were prepared under the protection of nitrogen by programmed temperature controlling.───氮气保护及程序控温条件下，制备了具有一定孔隙的炭纤维掺杂的乙苯脱氢催化剂。