Drawings in the bidding document can be taken reference for hoisting height and span of electric hoist.
电动葫芦的起升高度及跨距以招标图为准。
Placed above the main beam electric hoist for lifting height restrictions in the workshops, warehouses and other places.
电动葫芦置于主梁侧上角，适用于起升高度受限制的车间、仓库等场所。
According to the concerned rules in "safety regulations of Coal mine" author derived formulae to determine the overwind height, so a theoretical basis for mine hoist design was provided.
目前各种资料对此均无明确规定，作者根据《煤矿安全规程》的有关规定，导出了过卷高度的计算公式，为矿井提升机设计提供理论依据。
According to the concerned rules in "safety regulations of Coal mine" author derived formulae to determine the overwind height, so a theoretical basis for mine hoist design was provided.
目前各种资料对此均无明确规定，作者根据《煤矿安全规程》的有关规定，导出了过卷高度的计算公式，为矿井提升机设计提供理论依据。
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