Maintenance problems with the live roller conveyor led the company to seek a better solution.
与现场滚筒输送机的维修问题导致该公司寻求更好的解决方案。
They have craft exhibits, lots of live music, games and rides like roller coasters and Ferris wheels.
博览会上有手工艺展览、现场音乐表演、过山车和摩天轮等游乐设施。
They have craft exhibits, lots of live music, games and rides like roller coasters and Ferris wheels.
博览会上有手工艺展览、现场音乐表演、过山车和摩天轮等游乐设施。
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