1.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.
试验
明,所研究的棕刚玉涂料是
种优质的中性抗粘砂涂料,
粘土砂、水玻璃砂及树脂自硬砂的铸型和型芯.
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其
达内容亦不代本软件的观点；若发现问题，欢迎向我们指正。
