Hardness is one of the main characters of ultrahard material sinters. 硬度是衡量超硬材料燒結體的主要特性之一。
Exacting tolerances where soft and hard materials meet show quality that to this date we haven't seen in a Ford. 嚴格公差在軟,硬材料滿(mǎn)足查看質(zhì)量,為了這一天我們還沒(méi)有看到在福特。