用阿基米德螺线能成功地解决化圆为方的问题,方法很简单.A neat solution of the quadrature problem can be achieved with the spiral of Archimedes.现在的密封槽型比较常用的是对数螺线槽.Now the commonly used seal groove is a logarithm spiral groove.螺线齿轮被用于传送在平行的轴之间的行动.Hel...
This strip is composed of an intumescent material which swells when subjected to fire.这种狭条是用受到燃烧时发生膨胀的热胀材料组成的.Of hip joint lymphatic and intumescent, very painful, what reason is knowing?髋关节的淋巴肿大, 很痛, 不知道是什么原因?Novelty in...
...the mandatory retirement age of 65...65岁的法定退休年龄The Governor of the prison and another official are to take early retirement.这个监狱的监狱长和另外一个官员将会提前退休。I have to put everything away for my retirement.我必须把一切都积蓄起来以便退休后用。He ha...