penetrated mortise hole的意思|示意
美 / /
英 / /
贯通榫眼
penetrated mortise hole的网络常见释义
穿横板的榫眼 ... partially-penetrated well 不完整井 penetrated butt weld 透焊对接焊缝 penetrated mortise hole 穿横板的榫眼 ...