弯头芯子-铜管                 分水器连接管                 紫铜弯头芯子                 等径接头                 水表接头                 水表外壳                 加长弯头                 普通弯头                 四头球阀                 测温套                 止回阀                 除垢器                 弯管接                 快接                 嵌件                 平衡阀                 减压阀                 瓦片阀

1½   3/4   1¼   2"