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成型特性
1.结晶料,吸湿性小,易发生融体破裂,长期与热金属接触易分解.
2.流动性好,但收缩范围及收缩值大,易发生缩孔.凹痕,变形.
3.冷却速度快,浇注系统及冷却系统应缓慢散热,并注意控制成型温度.料温低温高压时容易取向,模具温度低于50度时,塑件不光滑,易产生熔接不良,流痕,90度以上易发生翘曲变形
4.塑料壁厚须均匀,避免缺胶,尖角,以防应力集中.
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详细说明：
William’s father, king Embrons, had a brother who would have been the heir to the throne but for the little prince. He was a wicked man, and hated his nephew, but when the boy was born he was away at the wars, and did not return till five years later. Then he lost no time in making friends with the two ladies who took care of William, and slowly managed to gain their confidence. By-and-by he worked upon them with his promises and gifts, till they became as wicked as he was, and even agreed to kill not only the child, but the king his father.
