金剛鉆粉 的英文怎麼說
中文拼音 [jīngāngzhēnfěn]
金剛鉆粉
英文
bortz-
The strength and wear resistance of diamond drill bits for petroleum exploitation will be increased considerably when cast tungsten carbide is applied and adheres to the substrate firmly with cast tungsten carbide of 80 - 200mesh as the skelton and copper alloy as the soldering material in a process of non - pressure immersion
石油鉆探行業用的金剛石鉆頭,用粒度為80 ? 200目的鑄造碳化鎢粉作骨架,採用無壓浸漬工藝,以銅合金作釬焊料,將鑄造碳化鎢與基體牢固結合,強度、耐磨性大大提高。Research of structure and performance of diamond core drill bit superfine base powder segments
超細基粉金剛石薄壁套筒鉆胎體的組織性能研究
分享友人