气动球阀Q641F-16C/电动球阀/不锈钢球阀/铸钢球阀
波纹管截止阀WJ41H-16..
氨用截止阀J41B-25C/..
A105锻钢截止阀J41H-..
气动球阀Q641F-16C/..
手动球阀Q41F-16P/电..
气动球阀Q641PPL-16..