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.
互联网
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.
互联网