h44h, j61y, j61y-160, j61y-160p, q41, q41f, q41f球阀, z41h, z41h-16, z41h-25, 丝扣闸阀, 式止回阀, 手动蝶阀, 止回阀, 法兰式止回阀, 球阀, 蝶阀, 螺纹闸阀, 闸阀|
2020-09-07|
Post by: Kathale31V
10个常见的阀门代号相关问题解析
z41h-2.5 dn50几个孔? z41h-2.5 dn50有8个孔。 阀门上pl标志表示什么?
