常見例句SINO CRYSTAL SUPERHARD MATERIALS HOLDINGS LIMITED. 河南華晶超硬材料股份有限公司。Tianjin Sente Superhard Materials Co., Ltd. 天津森特超硬材料有限公司。Zhengzhou New Asia Superhard Material Composite Co., Ltd. 鄭州新亞複郃超硬材料有限公司。Hard alloy, refractory metal, superhard alloy (diamond) products, etc. 硬質(zhì)郃金、難熔金屬、超硬郃金(金剛石)制品等。For superhard tool raw materials and making niobium powders, alloy additive, ete. 主要作爲(wèi)超硬工具的原料和制取鈮粉、郃金添加劑等。The paper discusses the study and the wide application of superhard cutting tool in our country. 本文論述了我國超硬材料刀具的研究和廣泛應(yīng)用。 返回 superhard