Draw the contour of each bracket in the steel sheet, mark the holes with a punch marker, cut.
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。
2
The microwave brightness temperature(Tb) isoline, combined with the topographic contour line of ice sheet, interprets the characteristic of brightness temperature distribution in Antarctica.