与现有模具相比较，夹套式模具可提高制品质量、增加机速、延长模具寿命、简化卸杯机构等等。
In comparing with the current block-mold, the socket mold gives better glass products and faster machine speed with longer service life and a simpler take-out system.
导出奥利康和克林根贝尔格锥齿轮铣齿机差速挂轮比和分齿挂轮比计算通式；
In this paper calculation formulas of differential change gear raito and index change gear raito for Oerlikon and Klingelnerg bevel gear generating machines are derived.
双盘单速金相试样预磨机m - 2是一种湿式磨光机，它利用不同粒度的金相砂纸，对各种金属及合金的试样进行磨光。
Double disc single speed metallographic sample pre mill M-2 is a wet grinder, it USES the different size of the metallographic sandpaper, on a variety of metal and alloy samples.
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