45% siyaado ah Amarada
gelinta pcbn -ka ee 55 darajo dheeman dheeman D ee biraha adag ee birta birta ah iyo birta qallafsan, cbn geesaha jarista waxaa lagu sameeyaa polycrystalline cubron boron nitride, galinta la tilmaami karo oo leh talooyinka cbn waa aaladaha goynta saxda ah, oo loo adeegsado cnc ganaax dhammee mashiinka iyo rooga rogaha, dhalista, bambooyin, disk biriiga baabuurka, matoorka diyaaradda.
Hel Koodh