However, the problem to be solved is how to keep constant the Angle of inclination obtained through the calculations of the mould lines in the construction process.
但怎样保证在作图过程中型线上计算所得的倾角大小不变，是一有待解决的问题。
However, the problem to be solved is how to keep constant the Angle of inclination obtained through the calculations of the mould lines in the construction process.
但怎样保证在作图过程中型线上计算所得的倾角大小不变，是一有待解决的问题。
应用推荐