A new kind of batcher drip nozzle used for casting metal grains and its manufacturing process have researched.
摘要研究了一种铸造金属颗粒用定
嘴的结构及其制造
艺。
；混凝土材料计A new kind of batcher drip nozzle used for casting metal grains and its manufacturing process have researched.
摘要研究了一种铸造金属颗粒用定嘴的结构及其制造艺。
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