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一九八八年度四川省优质产品评比结果于今年一月二十七日揭晓,四川石油管理局成都总机厂生产的12 1/4X HP_3型钻头榜上有名。
The 2008 Sichuan Excellent Product Evaluation Results was unveiled on January 27 this year. The 12 1 / 4X HP_3 bit produced by Chengdu Switchboard Factory of Sichuan Petroleum Administration is on the top of the list.