Two-piece end entry is most common in building services. Best price value. available full- or standard-port balls. Not recommended to be repaired.
建筑物管道系统最常用结构。性价比最高。可配置不缩径全流道或标准流道球体。不易维修。 收藏。
Two-piece end entry is most common in building services. Best price value. available full- or standard-port balls. Not recommended to be repaired.
建筑物管道系统最常用结构。性价比最高。可配置不缩径全流道或标准流道球体。不易维修。 收藏。
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