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The materials and casting procedure should be chosen properly.
对材料和浇铸工艺应作适当选择。
youdao
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High quality materials for the whole body casting high strength.
机身高优质材料整体铸造强度高。
youdao
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High quality materials for the whole body casting high strength.
机身高优质材料整体铸造强度高。
youdao