if you want to be a draftsman, a machinist, amolder, or a patternmaker, you'll need algebra and geometry and even trigonometry 如果你想成為手工藝人、縫紉工、造型工或制模工,你需要代數和幾何,甚至三角。
if you want to be a draftsman, a machinist, amolder, o r a patternmaker, you ' ll need algebra and geometry and even trigonometry 如果你想成為手工藝人、縫紉工、造型工或制模工,你需要代數和幾何,甚至三角。