01 Dasqua 1804-3610 Electric Brinell/Rockwell/Vickers Hardne...
● O ni awọn ọna idanwo mẹta: Brinell, Rockwell ati Vickers ● Iṣeduro-pupọ ati iṣẹ-ṣiṣe ti o lagbara pupọ pẹlu agbara idanwo ipele meje le pade awọn ibeere ti awọn olumulo fun awọn idanwo lile lile. ● Rockwell líle kika di...