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Mold is usually green, white, black or gray.
霉菌通常为绿色、白色、黑色或灰色。
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Thus, the future of the development and application of green-sand mold is very prosperous.
因此，湿型砂的开发和应用前景非常广阔。
youdao
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Thus, the future of the development and application of green-sand mold is very prosperous.
因此，湿型砂的开发和应用前景非常广阔。
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