Oxidation - reduction reactions are important in the solubilization and precipitation of iron and manganese.氧化还原反应在铁和锰的增溶和沉淀中具有重要作用.The contents of organic material, limonite and manganese hydroxides influence the variat...
Oxidation - reduction reactions are important in the solubilization and precipitation of iron and manganese.氧化还原反应在铁和锰的增溶和沉淀中具有重要作用.manganese peroxide二氧化锰The variety of garnet includes almandine, pyrope, magnesium - iron...
Fish and seaweed rose, caught motionless in the surging water.鱼和海藻浮起来，在汹涌的水流中动弹不得。Seaweed baths can help to detoxify the body.海藻浴有助于身体解毒。The underside of the rock was covered with seaweed.岩石的下面布满了海草....
减去扣除额后所剩无几了.After deductions there was not much left.税务局: 税率和扣除额不一样.Tax official: they are different in tax rate and deduction.这类优惠券会对您所指定的发行商的所有产品提供扣除额优惠.This kind of coupon will provide a discount on all products by th...