quality inspection of riveted connection的意思|示意
美 / /
英 / /
铆钉连接质检
quality inspection of riveted connection的网络常见释义
铆钉连接质量检验 quality inspection of riveted connection 铆钉连接质量检验 quasi-permanent value of live load on floor or roof 楼面、屋面活荷载准永久值 ..