reversing dog


  • 翻译:回动止块,回动轧头

同义词

1)reversing dog,回动止块,回动轧头2)reversing stop,回动止杆3)stop-and reverse rod,止动回动杆4)motorized non-return valve,电动止回阀5)automatic check valve,自动止回阀6)check weight,回止块

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