分析了目前抽油烟罩产品结构上的不足，提出了解决措施。
Analyses problems in the oil smoke extraction hood structures and propose a solution plan.
详细论述了抽油烟机集气罩的设计原理，以及主要参数的确定方法。
The design principle and primary parameters' computing on the Gas Trap Hood of the equipment pumping cooking oil fumes is introduced in this paper.
本可调式排油烟机的壳体由固定本体和可升降的罩体组成。
The shell body of the adjustable cooking fume extractor is composed of a fixed main body and a raising and falling cover body.
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