countersunk rivet countersunk-head screw counting的意思|示意
美 / /
英 / /
沉头螺钉计数
countersunk rivet countersunk-head screw counting的网络常见释义
计算 ... countersunk埋头孔,暗钉眼 countersunk rivet countersunk-head screw counting计算 coupling bolt联结,接合,耦合,耦合性,耦合技术 ...