请大神给讲解下，新人看不懂
在加拿大 15/32x4'x8' BCX Treated Plywood (1/2) 23/32x4'x8' BCX Treated Plywood (3/4) 11/32 19/32 1/4x4'x8' BC Plywood 1/2 thick, B-grade face and C-grade back exterior grade plywood 4' x 8' sheet Pressure treated with a micronized copper...华人论坛