短語詞組短語synthetic c diamond 人造鉆石synthetic polycrystalline diamond 人造多晶金剛石synthetic colourless diamond 合成無色鉆石synthetic polycrystal diamond 人造聚晶金剛石cubic synthetic diamond press 人造金剛石;六面頂金剛石壓機gem synthetic diamond 寶石級人造金剛石synthetic diamond wastewater 人造金剛石廢水synthetic diamond composites 人造金剛石復合片synthetic diamond compact 人造金剛石復合片 返回 synthetic diamond