专业加工木结构产品的金属连接件,齿板.We specialize in metal connecting piece and dental plate for timberwork.本文通过分析双腔颚式破碎机结构特点,推导了齿板固定点的轨迹方程.The paper analyze structure peculiarity of the double - cavity jaw crusher.介绍了领式破碎机弧形齿板的外形结构 、 制造...
犹他州六名被困矿工仍无音讯.Still no sign of those 6 trapped miners in Utah.久无音讯后能获得好消息的人确实高兴.Happy indeed are those who receive marvellous news after a long silence....
Great Britain has a temperate climate.英国气候温和.He is temperate in food and drink.他进食有度.Although these vegetables adapt well to our temperate climate, they tend to crop poorly.虽然这些蔬菜作物很适应我们这里温和的气候，它们的收成却很差。...