Weighing at just 1.4 grams this is no easy feat since clay would not be easy to mold at such scale and has to be functional as a teapot as well.
仅重1.4克，这不是简单的技艺，因为粘土以这样的大小是不容易成型的，而且还得做成真的茶壶。
Feedback fast: Used to research and develop products, confirm the samples and small scale trial production, avoid the risk to change the mold effectively.
反应速度快：适用于处于研发阶段的产品的样品确认及小批量试产，有效的规避了模具变更的风险。
The casting technique with top gating system, outer shaped iron chill, compound casting mold and core assembly molding was used for producing aluminum impeller on a large scale successfully.
详细介绍了采取顶注式浇注系统、成形外冷铁、复合铸型、组芯造型的铸造工艺，成功地生产出批量铝叶轮。
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