structural steel hull 钢结构船体
Hull structural steel 船体用结构钢
high-strength hull structural steel [船] [材] 高强度船体结构钢
forged steel for hull-structural 船体结构用锻钢
high strength hull-structural steel 高强度船体结构图
normal strength hull structural steel 一般强度船体结构钢
hull-structural steel [船] 船体结构钢
toughness grade of hull-structural steel 船体结构钢韧性等级
cast steel for hull-structural 船体结构用铸钢
应用推荐