vacuum impregnation的意思|示意
美 / /
英 / /
vacuum impregnation相关例句
The resin - matrix pantograph contact strip ( RMPCS ) was prepared by using hot re - pressing and vacuum - impregnation process.
采用二次热压和真空浸渍工艺制备树脂基受电弓滑板试样.
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