hardness class meaning in English
硬度等级
Examples
- Fasteners ; technical delivery conditions ; property classes for nuts hardness classes
紧固件.交货技术条件.第24部分:螺母的性能等级 - Screw and washer assemblies with plain washers - washer hardness classes 200 hv and 300 hv
带平垫圈的螺钉和垫圈组件.垫圈硬度级别为200hv和300hv - Screw and washer assemblies with plain washers . washer hardness classes 200 hv and 300 hv
带普通垫圈的螺钉和垫圈组件.垫圈强度等级为200 hv和300 hv - Screw and washer assemblies with plain washers - washer hardness classes 200 hv and 300 hv iso 10644 : 1998 ; german version en iso 10644 : 1998
带普通垫圈的螺钉和垫圈组件.垫圈硬度级别为200hv和3