It also sets the storage type in order to store the attachment.

它还设置用于存储附件的存储类型。

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Specifies the type of image data in ane-mail message attachment.

指定电子邮件讯息附件的媒体类型资讯。

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Specifies the type of image data in ane-mail message attachment.

指定电子邮件讯息附件的媒体类型资讯。

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