100吨登陆艇上建围壁与主甲板铆接处铆钉断裂原因分析与改进
100둔등륙정상건위벽여주갑판류접처류정단렬원인분석여개진
Analysis and Improvement on the Reason of the Rive's Fracture at the Rivet Connection of the Coaming and the Upper Deck on the 100t Landing Craft