A.梁格組隊(duì)→甲板組隊(duì)→焊接 B.布置墊墩→梁格組對(duì)→甲板組對(duì)→焊接 C.甲板組隊(duì)→梁格組對(duì)→焊接 D.清理場(chǎng)地→拼板→劃線→梁格組對(duì)→焊接
A.每個(gè)井口0.5mm B.每個(gè)井口1mm C.每個(gè)井口1.5mm D.每個(gè)井口2mm