在铸造、锻造、冲压、塑料、橡胶、玻璃、粉末冶金、陶瓷等生产行业中得到广泛应用。
In casting, forging, stamping, plastic, rubber, glass, ceramics, powder metallurgy industry production is widely used.
该市主要产业包括：电子，钢铁铸造，橡胶制造，物流和快餐业。
Besides electric, its most developed industries are: iron casting, rubber manufacturing, logistics and snack food industry.
目的：探讨铸造桩核冠常规印模过程中失败的原因，研究负压抽吸硅橡胶印模应用于铸造桩核冠的临床意义。
Objective: To study clinical importance of casting pile-core crown with negative pressure suction silastic impressions and analyze reasons for the failure of routine impressions in pile-core crown.
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