The main gold bearing minerals include arsenopyrite, pyrrhotine, pyrite, galena and sphalerite.金矿的主要载金矿物分别为:毒砂 、 磁黄铁矿 、 黄铁矿 、 方铅矿和闪锌矿.Diethyldithiocarbamate was more better selective collector than Xanthate on galena.与黄药...
Debate has raged around the possibility of male menopause for decades.关于男人更年期是否存在问题争论已持续数十年.I use a sunscreen whenever there is even a remote possibility that I will be in the sun.不论何时只要有一点可能暴露在阳光下，我就会用防晒霜。...the possibi...
600艘海盗船袭击汉堡, 汉堡惨遭焚烧.Six hundred Viking boats attacked Hamburg , which was set on fire.海盗船强行靠近快艇.The pirate ship boarded the clipper.海岸炮兵向海盗船开火.The shore batteries fired at the pirate boat....
Swami - Traditional climbing harness made by wrapping webbing around the waist.结实的带状织物围在腰间制成的传统的安全带.It trembles as birch limbs webbing the air.如同颤抖中如网的白桦树丫.AbFabric, webbing band or strap getting discoloration.布料 、 织带、背带...