The hot contracting process without inner arc modified or little inner arc modified has been realized after the inner shape controlled technique has been used.
采用可控内形技术实现了筒形件毛坯热收口不修内弧或少修内弧的目的。
Controlled release drug core with rod-shape can be manufactured by injection process which has the feature of high production efficiency and high precision for drug core.
结果：①采用挤出成型法制备棒状缓释药芯具有生产效率高药芯精度符合要求的特点。
The mold shape is one major factor which affects metal deformation rules, but metal plastic deformation process can be controlled through the change of the mold shape.
模具几何形状是影响金属塑性流动的主要因素之一，通过改变模具的几何形状可以改变金属的塑性流动。
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