Charger drive pulley - Installation 充电机驱动皮带轮
Attachment drive pulley - Installation 附件驱动皮带轮安装
pulley assembly installation 带轮总成的装配
pulley bearing installation 带轮轴承的安装
Cabinet equipped with air support pulley installation cabinet bottom, owns 8 built-in handle.
箱体配备航空机柜底部支持滑轮安装，拥有8个内置式提手。
Steel column is fixed to special jig, slipping below the installation position by chain block and lifting by pulley block and windlass.
将钢骨柱固定在专用胎架上，通过倒链滑移至安装点下方后，采用滑轮组和卷扬机进行提升就位。
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