主铬铁岩矿层及麦仑斯基矿层出露不好.The Main Chromitite Seam and the Merensky Reef do not outcrop well.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.铬铁废渣是生产铬盐或其氧化物所排放的废渣.Cr - Fe w...
The fluid can be drawn off with a syringe.可用注射器将液体汲出。To suction with a bulb syringe, push bulb in with your thumb.用球吸引器时先用拇指把球压扁.A bulb syringe is often used for oral and nasal suction on infants and children.常常使用球吸引器抽吸婴...