overhead door

基本解釋

The substitution of the fireproof glass with water film for the overhead door has been proven workable.
結(jié)論：用帶水膜的防火玻璃替代通常裝設(shè)的門是可行的。
The utility model relates to a mechanical movable overhead door, which achieves labor-saving manual operation and rapid open and close and is primarily used for a cargo vehicle.
一種手動操作能省力、快捷開關(guān)的機械式移動升降門，主要應(yīng)用于載貨機動車。
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This paper sets up the mathematic model of control system according to the analysis of lifting process of overhead door and puts forward a stability stralegy improving control system.
根據(jù)對高架門機自升過程的分析，建立了控制系統(tǒng)數(shù)學(xué)模型。

By now, most customers pretty much know what to expect when they enter through the heavy glass door, small green letters hanging overhead on the building exterior.
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a door that rotates on a horizontal axis and is supported horizontally when open (Sometimes shortened to overhead)