nitrided case depth 渗氮层厚度

deep nitrided case 深渗氮层

effective nitrided case depth [机] 有效渗氮层深度

nitrided case peeling 氮化层剥落

nitrided case structure 氮化层组织

nitrided case stripping 渗氮层剥落

spalling of nitrided case 渗氮层剥落

depth of the nitrided case 氮化层深度

case toughness of nitrided steel 渗氮钢的表面韧性