膨胀螺栓英文(化学膨胀螺栓)
膨胀螺栓 [网络] bolt; expansion bolts; expansion bolt; [例句]新型膨胀螺栓锚固下空心砖的应力场分析 Stress field analysis of hollow brick anchored by new expansion bolt
膨胀螺栓 [网络] bolt; expansion bolts; expansion bolt; [例句]新型膨胀螺栓锚固下空心砖的应力场分析 Stress field analysis of hollow brick anchored by new expansion bolt
