pressmark
常見例句
- It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.
結(jié)果証明，機(jī)用鋸條的分齒壓痕、基躰碳化物狀況以及材料中的殘存元素等對機(jī)用鋸條的靭性有不同程度的影響。 返回 pressmark