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After molding, there is gas trap on the part surface, suggest adding insert.
成形后，产品表面有困气，建议增加镶件。
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The mold-closing part was the key component of plastic molding.
模部件是塑料注射成型机的关键部件。
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The mold-closing part was the key component of plastic molding.
模部件是塑料注射成型机的关键部件。
youdao