Consequently, the stand or fall of patternmaking master technology will affect the integral quality of the mould directly.

因而，制模师傅技术的好坏影响到模具的整体质量。

If you want to be a draftsman, a machinist, a molder, or a patternmaker, you'll need algebra and geometry and even trigonometry.

果你想成为手艺人、缝、型或制模，你需要代数和几何，甚至三角学。