ITT GOULDS PUMP（古尔兹）多级离心泵水泵机封 水封 机械密封18913977721
1PVA：2202.3002.3702.4502.5502.7502.9002.13202.16002.1104.1504.1854.2204.3004.3704.4504.5504.7504.114.154.224.304.404.554.754.302.402.553.752.1102.1502.1852.224.9004.11004.13202.16002.20002.25002.28002.31502)