KHB3K-G1/8,KHB3K-G1/4,KHB3K-G3/8,KHB3K-G1/2,KHB3K-G3/4,KHB3K-G1,KHB3K-G1 1/4,KHB3K-G1 1/2,KHB3K-G2,二位三通球阀