manganese-iron

基本解釋

The result showed that in different time pyrolusite coexisting component had different effect on desulfurization efficiency and manganese iron.
結(jié)果表明,軟錳礦的共存組分對于脫硫率及錳離子濃度在不同時間有不同程度的影響。
On Deionization of Iron Ion and Manganese Iron from Ground Water
淺談地下水鐵、錳離子的去除
A mixture of black manganese oxide minerals.
硬錳礦一種黑色氧化錳礦的混合物
Napoleon conquered by the force of an iron will.
拿破侖攻無不克靠的是堅強的意志。
It will take weeks to get all the wrinkle iron out.
解決這些難題得要幾周時間。