This control box promotion level is 100, may use in high, the intermediate deck construction and other must promote the heavy item the work.
本控制箱提升层次为100层，可用于高、中层建筑施工及其他需提升重物的作业。
This control box promotion level is 100, may use in high, the intermediate deck construction and other must promote the heavy item the work.
本控制箱提升层次为100层，可用于高、中层建筑施工及其他需提升重物的作业。
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