J61W/Y-160P不锈钢304对焊针型阀电站高温高压仪表手动开关阀316 ¥9.00 J61Y-160P/320不锈钢304承插焊针型阀电站高温高压仪表开关阀316 ¥9.00 J61Y-160P不锈钢带散热器对焊针型阀304电站高温高压仪表阀门316 ¥9.00 J61Y-170V/320带散热铬钼钒钢对焊针型阀电站高温高压仪表截止阀 ¥9.00 QGQY1-64P不锈钢气源球阀304单卡套内螺纹高压气体开关阀碳钢316 ¥9.00 QGY1-64P不锈钢双卡套气源球阀304高压气体阀仪表阀316碳钢开关 ¥9.00