无缝管 303 dia 33 x 12,5 x 6000 = 36 pcs 无缝管 303 dia 32 x 8,5 x 6000 = 43 pcs 309S焊管60*4*6000 =29pcs 309S焊管66*4*6000 =6pcs 309S焊管85*4*6000 =10pcs