截止阀stop valve详细»
截止阀isolation valve;stop valve详细»
截止阀shut off valve详细»
截止阀cut off valve;isolating valve;shutoff gate valve详细»
截止阀cut-off valve disconnecting valve stop valve详细»
截止阀stop valve详细»
截止阀shut-down valve详细»
截止阀cut off valve;shutoff gate valve详细»