It Is composed of drive equipment, sweep down mixing impeller, arc surface, flow guiding device and slot body.
由传动装置、下掠式搅拌叶轮、弧形复曲面、导流装置、槽体部件组成。
Suddenly the sky seemed to him to become still darker and more dense, and heavy clouds seemed to sweep down towards him; at the same time he felt a sharp pain in his knee.
突然间，他觉得天空似乎更黑更阴沉了，稠密的云块向他头顶上压了下来，同时，他感到膝盖一阵剧痛。
That sweep down to the bow, the fan in profile, with the masts that create this beautiful arc along the top.
那种高船尾低船头的形状，那种扇形的轮廓，还有顶端形成一条美丽弧线的桅杆。
That sweep down to the bow, the fan in profile, with the masts that create this beautiful arc along the top.
那种高船尾低船头的形状，那种扇形的轮廓，还有顶端形成一条美丽弧线的桅杆。
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