演算

Polishing machine for slab has the polish spindle which is controlled for counterpressure by a coaxial cylinder according to the stone character.

大板的抛光机械有抛光轴可以根据石材的特征通过共轴圆柱控制抛光刀头对大板的压力，来控制抛光的效果。

Would you pay $1 or $2 a month on top of $50 a year for the option to watch reruns and original programs through your Xbox 360?

您觉得呢？愿意为了在Xbox 360上面看电视，而在50美元的年费基础上每月再多花一两美元吗？