无锡凯维联,K23JK-15TBW,二位三通换向阀K23JD-08BW,K23JD-10BW,K23JD-15BW,二位三通换向阀K23JD-20BW,K23JD-25BW,K23JD-32BW,K23JD-40BW,二位三通换向阀K23JD-08TBW,K23JD-10TBW,K23JD-15TBW,二位三通换向阀K23JD-20TBW,K23JD-25TBW,K23JD-32TBW,K23JD-40TBW,二位三通换向阀K23JK-08BW,K23JK-10BW,K23JK-15BW,二位三通换向阀K23JK-20BW,K23JK-25BW,K23JK-32BW,K23JK-40BW,二位三通换向阀K23JK-08TBW,K23JK-10TBW,K23JK-15TBW,二位三通换向阀K23JK-20TBW,K23JK-25TBW,K23JK-32TBW,K23JK-40TBW,二位三通换向阀)