There is high tantalite grade for certain large scale granite - pegmatite pattern tantalite - columbite mine in our country.我国某大型花岗伟晶岩型铌钽矿含钽品位高居我国钽铌矿山之首.The measurement indicates that the optimized performance can be ach...
These chemicals modulate the effect of potassium.这些化学物质可以调节钾的功效。Fruits, vegetables, and wholegrains are rich in potassium.水果、蔬菜和全谷物富含钾元素。The potassium content of foodstuffs is very variable.食物中钾的含量差别很大。...
装运着沉甸甸的记忆, 亮的 、 暗的、灰的.Loaded with heavy memories -- bright, dark and gray.天是灰的,心是沉的.Should we wait for the weather to clear?苍茫依然, 光辉正穿透尘灰的层云.Misty it is still, glowing through clouds of dust and reek....