Radiation shields are commonly used to reduce radiation errors.辐射屏蔽罩一般用于降低辐射误差.Divine Shields and Hearthstones do not make a hero heroic.神圣护盾和炉石并不是英雄的做法.Spears hurtled against shields.矛猛击在盾上.Some new models, including ne...
Associated minerals are mainly magnetite and ilmenite, subordinately pyrite and rarely chalcopyrite.主要伴生矿物为磁铁矿、钛铁矿, 少量黄铁矿和微量黄铜矿.Iron ores of greatest economic interest contain magnetite and hematite.最具有经济价值的铁矿包括磁铁矿和赤铁矿.T...