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1993年2月10日上午,江苏省沭阳县玻璃钢厂从徐州、临沂等地宋了百名客人,请该厂郑洪恩、王桂芳介绍GBJ——450型钢骨架玻璃钢船舶螺旋桨的研制过程及其性能、效益等情况,赢得了客人们的几次热烈鼓掌。郑洪恩原是河北省枣强县的普通农民,高中文化程度,现已年近半百。他酷爱玻璃钢事业,攻读过20多份有关玻璃钢方面的科技资料,曾自费拜访5
On the morning of February 10, 1993, the glass and steel plant of Shuyang County, Jiangsu Province spoke to 100 guests from Xuzhou and Linyi. The Zhenghong En and Wang Guifang were invited to introduce the development process, performance and benefits of the GBJ-450 steel skeleton fiberglass ship propeller. In other situations, it won several warm applause from the guests. Zheng Hongen was originally an ordinary farmer in Zaoqiang County, Hebei Province. He has a high school education level and is now nearly half a century old. He is passionate about the glass steel industry and has studied more than 20 scientific and technological materials related to glass fiber reinforced plastics and he has visited 5 at his own expense.