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玻璃钢早已应用于化工设备与容器中,但在机床上尚未见采用。现在上海第一机床厂生产的Y3150滚齿机、Y7150磨齿机和3MA4750钢球研磨机上,已采
Fiberglass has long been used in chemical equipment and containers, but has not been seen on machine tools. Shanghai Yichi Machine Tool Plant now Y3150 hobbing machine, Y7150 grinding machine and 3MA4750 ball grinding machine, has been adopted