The car slid down the steep gradient into the river.汽车滑下陡峭的斜坡掉入河中.This indicates a hydrodynamic condition with a very marked potentiometric gradient.这说明水动力条件具有很明显的位能梯度.4 gradient arrays marked A, B, C and D were set up.布...
The machine apply for leather handbags or instep folding turn edging.该机适合皮革、皮包、鞋面折边、翻边.Does urine blister grow on infantile back of hand, instep?婴儿手背 、 脚背上长小水疱?Attacks to the arms or legs, groin, joints, or instep.攻击手臂或腿...