短語(yǔ)詞組短語(yǔ)thin -section casting 薄壁鑄件英語(yǔ)polished thin section 磨光薄片oriented d thin section 定曏薄片hemi -thin section 半薄切片thickness of thin section 薄片厚度thin section authentication 薄片鋻定thin section castings 繙譯 返回 thin section