For motor frame size 180 and above, the inner mechanical seal shall be constructed with a solid block carbon rotating seal face and a solid block silicon carbide stationary seal face.

用于尺寸180以上的电机机架，内置的机械密封结构应该采用一块整体结晶碳旋转密封面和一块整体结晶碳化硅固定密封面。

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The inner mechanical seal shall be constructed with a solid block carbon rotating seal face and a solid block silicon carbide stationary seal face.

内置的机械密封结构应该采用一块整体结晶碳旋转密封面和一块整体结晶碳化硅固定密封面。

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Input seal: input carbon seal was blistered on the sealing face; the input carbon seal was scrap. Sealing face on the input shaft was scratched, and was lapped.

输入轴碳封圈密封面产生浮泡；碳封圈报废。输入轴上的密封面划伤，研磨修复。

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Input seal: input carbon seal was blistered on the sealing face; the input carbon seal was scrap. Sealing face on the input shaft was scratched, and was lapped.

输入轴碳封圈密封面产生浮泡；碳封圈报废。输入轴上的密封面划伤，研磨修复。

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