Ultimate load bearing capacity enhancement ratio increases as the longitudinal CFRP layers increase for members with the same steel tube outer diameter.
对于同一系列的试件，承载力提高率随着纵向CF RP层数的增大而增大。
It has great filling volume and big tube diameter, with inner heating and outer heating.
灌装量大，软管直径大，也有内加热和外加热两种类型。
The die hammers the diameter and causes the metal to flow inward causing the outer diameter of the tube or the rod to take the shape of the die.
锻模锤击横断面使金属向内流动导致圆管或圆棒的外径变为锻模的形状。
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