polish parts 中文意思是什麼
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Can adjust polishing medias, prevent parts from colliding, polish hole and gap of parts to reduce polishing cost of low relievo jade article
可調整拋光介質，避免工件的的互相?撞，使工件上的孔隙溝縫?得以拋光，從而降低淺浮雕類的玉器拋光成本 -
The polish scientist has spent his life-time studying active volcanoes and deep caves in all parts of the world.
波蘭科學家花費了畢生精力研究世界各地的活火山和深巖洞。 -
Haroun tazieff, the polish scientist, has spent his lifetime studying active volcanoes and deep caves in all parts of the world
波蘭科學家哈羅恩?塔捷耶夫花了畢生的精力來研究世界各地的活火山和探洞。
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