The results show that the gating and feeding system without riser is reliable through calculating the sizes of gating system by moduli calculation method.

表明采用收缩模数法计算浇注系统尺寸，用浇注系统补缩的无冒口工艺是可靠的。

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A comparison was made between the bottom gating system, middle level gating system, and step gating system.

对底注、中注及阶梯注三种浇注系统进行对比。

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The design is improved by using a continuous double tangential tapered gating system and a bigger size runner. The gate area is increased and the gating speed is slightly reduced.

优化设计中采用连续的锥形双切向浇注系统和较大的浇口尺寸，使浇注面积增加，浇注速度略微降低。

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By gating the experience, you had to be a T customer to own one.

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The gating item is the 25, 000 lb. blow-out preventer which is set to arrive in November.

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Apparently the gating factor for an iTelevision introduction as put forth by analysts is the expense involved.

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