... 声屏障成型设备Sound barrier forming equipment 防火阀设备Fire valve device 车厢板成型设备Compartment plate forming equipment ...
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fire valve device
防火阀装置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In the PVC production device, the dish valve in the charging system of traditional acetylene generator was often on fire, and even explosion because of its structure.
在PVC生产装置中，传统乙炔发生器上料系统中的进料碟阀，因结构原因，经常起火甚至爆炸。
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