With the ball socket of a mini car as the study instance, it is presented to substitute polyester elastomer for polyformaldehyde in production of ball sockets.
以微型汽车球头销座为实例研究以聚酯弹性体取代聚甲醛制造汽车球头销座。
With the ball socket of a mini car as the study instance, it is presented to substitute polyester elastomer for polyformaldehyde in production of ball sockets.
以微型汽车球头销座为实例研究以聚酯弹性体取代聚甲醛制造汽车球头销座。
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