Steel shaft antifrication bearings and adjustable bearing housing, for exact screen distance adjustment.

对于带有耐摩擦轴承的钢轴和可调式轴承座, 需准确调整间隔距离.

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Steel shaft with antifrication bearings and adjustable bearing housing for exact screen distance adjustment.

对带有防磨轴承的钢轴与可调式轴承座,应准确调整屏幕距离.

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