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Uploaded by pvaorg on Jun 3, 2010
全量式彈簧式安全閥作動演示;讓業者都瞭解何謂「初噴壓力」、「吹洩壓力」、「停噴壓力」值(Action Presentation of Full-Type Spring-Loaded safety Valve)
Science & Technology
Standard YouTube License
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