spread and rolling 摊铺及碾压
All kinds of formulae calculating the spread of bar steel rolling have been analysed theoretically and evaluated by experiments.
从理论和实验两方面分析了现有各种确定型钢轧制宽展变形的方法。
Pour syrup on it and spread it abroad with a rolling-pin.
先把糖浆倒在它上面，然后用擀面杖把糖浆摊开来。
The taper ring's irregular section shape decide the unequal forming of the ring metal when rolling ring, which is the main cause of irregular wide spread and draw concave on the symmetry face of ring.
锥形套圈由于它截面形状的不规则性决定了辗扩过程金属变形的不均匀性，这是导致不规则宽展、拉凹的主要原因。
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