In case of excessive leakage it was decided to implement gutters under every frame to reduce the risk of damage and make maintenance easier.

为了防止水过多泄露，他们将在每一个窗框下面安置排水槽来减少立面的破坏，并且能够使得维护更加容易。

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This paper also about the choice of material, the design of frame, and the problems should be noticed in maintenance, repair, type exchange and sale.

以绿色设计作为基本出发点探讨材料的选择、结构的设计等，以及维护、修理、换型、销售各环节中应注意的问题。

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A rigid machine frame combined with reinforced bearing bolts and low-maintenance toggle jacks stands for high precision, low-maintenance requirements and a long service life.

机器框架刚性好，增强的轴承螺座和低维护机铰连杆是高精密、低维护和长使用寿命的代表。

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