代号 codenumber:LAM-1/2    LAM-3/4   LAM-1    LAM-1-1/4      LAM-1-1/2      LAM-2     LAM-2-1/2  LAM-3      LAM-4

 规格 Specification:1/2"            3/4"          1"          1-1/4"           1-1/2"               2"      2-1/2"            3"            4"

               Copper:  15                22            28           35                 42                  54          67              76          108