Electric wedge-style valve的意思|示意
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电动楔形阀
Electric wedge-style valve的网络常见释义
电动楔式闸阀 ... 补偿式双闸板平板闸阀 fcompensation double parallel gate valve 燃气平板闸阀 gas flat-plate gate valves 电动楔式闸阀 electric wedge-style valve ...