如果订购地轴承架，则最小长度尺寸为阀门中心至地轴承架底座的长度。
Minimum dimension from centerline of valve to base of floorstand when ordered with position indicating floorstand.
汇集到机舱底座的雷电流，传送到塔架，由塔架本体将雷电流传输到底部，并通过接入点传输到接地网。
Lightning electricity is collected in the base of engine, transmit to tower, from the tower to the base, and by earthing point to earthing net.
导轨架接高到10米时，需用丝线坠从正面和侧面分别找正导轨架轴线与底座平面的垂直度。
When the guiding track framework is joined to 10m, you should make vertical of guiding track framework's axle and the base from the front and side.
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