A cheaper range of products was introduced to plug the gap at the lower end of the market.
推出相对廉价的一系列产品，是为了填补较低档市场的缺口。
The cover is provided with a plurality of plug holes, the lower part of the plug holes are provided with chutes, and one end of the rotor is provided with trapezoid flaky blades.
罩壳上设有多个出料孔，该出料孔下部开有斜槽，所述的转子一端设有梯形片状桨叶。
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