旋球阀,双向硬碰硬旋球阀,气动/电动偏心半球阀|永嘉阿斯塔自动化仪表有限公司
气动信号球阀 XHQ71F
球阀/浙江阿斯塔阀门科技有限公司
p1Src=//y1.yzimgs.com/uploads_old/193144/2008092202075252_Old.jpg&p2Src=//y1.yzimgs.com/uploads_old/193144/2008092202075252_Old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/193144/2008092202075252_Old_2.jpg