希腊生产耐火级铬铁矿石已有百余年历史.Greece has been producing refractory grade chromite ore for more than a hundred years.许多由沙漠侵入这些牧场的灌木种都是耐火的.Many of the desert scrub species that have invaded these ranges are fire intolerant.硅酸铝 ( 陶瓷 )...
In advanced stages the opaque corneas may ulcerate and even perforate.在疾病后期,不透明的角膜可能产生溃疡,甚至穿孔.Hundreds of patients have received new corneas form from donors since then.从那以后,许多的患者得到了来自捐献者的角膜.Are you willing to donate his...
发电站每小时排出5吨灰。The power-generation plant belched out five tonnes of ash an hour.通过张开的毛孔排出汗液和污垢。Your open pores excrete sweat and dirt.钙通过尿液和粪便排出体外。Calcium is excreted in the urine and stools....