主要研究采用钻模板来解决支承架上行孔组的加工难题。
This article mainly suggests using the drilling template to solve the difficult problems of manufacturing the group of line hole in the brace.
史密斯第一步先制造拉模板，这是一种钻有大小不同的圆锥形窟窿的钢板，它可以逐渐使铁丝达到要求的粗细。
Harding commenced by manufacturing a drawplate, that is to say, a plate of steel, pierced with conical holes of different sizes, which would successively bring the wire to the wished-for tenacity.
史密斯第一步先制造拉模板，这是一种钻有大小不同的圆锥形窟窿的钢板，它可以逐渐使铁丝达到要求的粗细。
Harding commenced by manufacturing a drawplate, that is to say, a plate of steel, pierced with conical holes of different sizes, which would successively bring the wire to the wished-for tenacity.
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