Please refer to the attachment and help evaluate the modeling charge of gluey shell and ironware of this product. Thanks.
请见附件的图纸，请帮忙评估此产品的胶壳、五金的开模费；谢谢！
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The fluid attachment also comprises a sealed structure, which is configured to thoroughly prevent leakage or at least limit leakage within the partial area far from the edge of a shell.