The screw jack can the long-term support heavy item, the greatest lifting capacity amount to 100 tons, the application is broad.
螺旋千斤顶能长期支持重物，最大起重量已达100吨，应用较广。
The screw jack can the long-term support heavy item, the greatest lifting capacity amount to 100 tons, the application is broad.
螺旋千斤顶能长期支持重物，最大起重量已达100吨，应用较广。
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