Technology: major soft enamel, bite version (etching), stamping, injection from (fill oil), silk screen, Dijiao, die casting, Kirschner printing.
主要工艺有：软珐琅、咬版(蚀刻)、冲压、注漆(填油)、丝印、滴胶、压铸、柯式印刷等。
The familiar 1 3/4 inch two-bite size produced today is about halfway between the large chocolate sandwich of 1912 and the later tiny, pop-in-the-mouth version.
现今生产的人们所熟悉的1 3/4英寸双层尺寸，介于1912年大夹心巧克力版与后来小到恰好一块一口的尺寸版本之间。
The familiar 1 3/4 inch two-bite size produced today is about halfway between the large chocolate sandwich of 1912 and the later tiny, pop-in-the-mouth version.
现今生产的人们所熟悉的1 3/4英寸双层尺寸，介于1912年大夹心巧克力版与后来小到恰好一块一口的尺寸版本之间。
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