亚洲日韩国产一区二区三区,国产精品国产三级国产av品爱网,爱爱动态免费视频,欧美激情极品一区二区

聯(lián)系我們

hamore

U sebelisa ts'ebetso ea ho cheselletsa ho fafatsa, ponahalo e ntle, bokaholimo bo t?eloa ka tungsten carbide, boima ba eona bo feta HRC60, ho hanyetsa ho roala ho ntlafatsoa haholo, bophelo ba ts'ebeletso ke makhetlo a 3-5 a ts'ebetso e tloaelehileng; - boleng ba tungsten carbide alloy, boleng bo tiisitsoe mme bo ka Customized ho ea ka litlhoko, mefuta e feletseng ea lihlahisoa tsa carbonitriding, quenching, le phekolo ea mocheso ho fetola mohaho oa ka hare oa metallographic e le hore boima ba sebaka sa ho tima bo fihle ho HRC58-HRC62; phekolo ea mafome, boima ba sebaka se sa tingoeng se pota-potileng lesoba le ntseng le phahama ke ≤ HRC32; ho leka-lekanya.