详细对比 , Smith Stainless Steel Double Bowls Top Mount Kitchen Sink - KSC-7642-DB1, Smith Stainles Steel Single Bowl Top Mount Kitchen Sink - KSB-805021-SB, Smith Stainless Steel Single Bowl Top Mount Kitchen Sink - KSB-464021-SB, Smith Stainless Steel Single Bowl Top Mount Kitchen Sink - KSB-604521-SB