特别是商用车辆，移动液压和类似应用中等级IP67或IP6K9K可能需要。
Especially for commercial vehicles, mobile hydraulics, and similar applications where IP67 or IP6K9K may be required.
液压夹具可防止贡多拉停靠时轮子的臂部移动，移除这个液压夹具可以让轮子转动起来。
A hydraulic clamp, which prevents the arms of the wheel moving while the gondola is docked, is removed, allowing the wheel to turn.
一旦组装完成，通过液压起重机将位于聚四氟乙烯轴承上的拱形建筑缓缓地移动一星期时间大概300米的距离来封闭住石棺。
Once complete, hydraulic jacks will then slide the arch approximately 300 meters on Teflon bearings during the course of a week to enclose the sarcophagus.
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