Handwheels and gear boxes can be mounted on top of the cylinders for emergency operation due to loss of operating medium in the cylinder.
可以在缸体上方安装手轮和齿轮箱，以便在没有缸体动力源时，紧急采用手动方式操作。
Handwheels and gear boxes can be mounted on top of the cylinders for emergency operation due to loss of operating medium in the cylinder.
可以在缸体上方安装手轮和齿轮箱，以便在没有缸体动力源时，紧急采用手动方式操作。
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