The outside steel lagging fastens both ends of the pipe and wrap the gasket ring to realize the tight coupling between pipes.
外钢套扣住钢管两端并包裹密封圈。实现钢管密封连接。
The outside steel lagging fastens both ends of the pipe and wrap the gasket ring to realize the tight coupling between pipes.
外钢套扣住钢管两端并包裹密封圈。实现钢管密封连接。
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