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托架是利用不锈钢片做成的,这一个材料非常黏性大,而且你将会需要使钻头尖锐良好的挖电洞,使比直径。
Draw the contour of each bracket in the steel sheet, mark the holes with a punch marker, cut.
youdao
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托架是利用不锈钢片做成的,这一个材料非常黏性大,而且你将会需要使钻头尖锐良好的挖电洞,使比直径。
Draw the contour of each bracket in the steel sheet, mark the holes with a punch marker, cut.
youdao