货号品名规格样本页码中盒数外箱数YT-1255转换头1/2"(F)x3/8"(M)5210200YT-1258转换头1/2"(F)x3/4"(M)5210100YT-1259转换头3/4"(F)x1/2"(M)645100YT-1355转换头3/4"(F)x1/2"(M)641248YT-1356转换头1/2"(F)x3/4"(M)521248YT-1438转换头1/4"(F)x3/8"(M)3610500YT-3853转换头3/8"(F)x1/4"(M)4410500YT-3854转换头3/8"(F)x1/2"(M)4410200