BBT shank Taper Arbor

1, -185 ℃ ultra-roa hohonu whakamatao maimoatanga, kia tata katoa o te huringa austenite whai wāhi ki martensite;
2、Ko te rerenga o nga matūriki carbide nanoscale, ka piki ake te pakeke me te uaua;
3、Whakaititia te whai wāhi o te ahotea, kakahu ātete tino pai ake;