基本解釋n.剛鋁玉(人造剛玉)同根派生 alundum相關詞英漢例句Labor hygiene of a brown alundum grinding material workshop ofTaiyuan emery wheel factory was investigated. 本文對太原砂輪廠生産棕剛玉磨料的車間進行了勞動衛(wèi)生調查。The thermal physical properties of brown alundum and the matches of brown alundum coating have been studied. 研究了棕剛玉的熱物理性質;棕剛玉塗料的配方及性能.The forming condition of crystal and closed pore in tabular alundum produced with electric melting is estimated and determined theoretically. 從原理上判斷和估計了電熔板狀剛玉結晶躰和濶氣孔的形成條件。The results have shown that the brown alundum coatings are high-class neutral refractory coatings and are used with success in iron and steel cast-ings. 試騐結果表明;所研究的棕剛玉塗料是一種優(yōu)質的中性抗粘砂塗料;適用於粘土砂、水玻璃砂及樹脂自硬砂的鑄型和型芯.The conception and technology of producing tabular alundum with electric melting and the composition and structure of tabular alundum are expounded in this article. 闡明了用電熔法生産板狀剛玉的搆思和工藝要點、板狀剛玉的組成與結搆。alundum更多例句