metal gate

• 1. 铁闸: Gates | metal gate
• 2. 铸铁闸阀: cast iron gate valve | Iron Body Gate Valve
• 3. 外掩铁闸: outward swinging metal gate

更多释义

• 1.外有重型的铁闸，并通过了栅栏。
  Exterior has heavy duty iron gate and fence through out.
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• 2.暗杆-内螺纹结构用于青铜和铸铁闸阀。
  Non-rising-inside screw stems are used in bronze and iron gate valves.
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• 3.本文对含磷蠕墨铸铁闸瓦的摩擦系数与耐磨性进行了系统的研究。
  The friction coefficient and wear resistance of compacted graphite cast iron brake shoes with phosphorous are systematically investigated in this paper.
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