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我们可以要张角落的桌子吗?
Can we have a table in the corner?
youdao
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通过实验研究离心风机蜗壳扩张角对风机噪声及效率的影响。
By experiment, for the effect of fan expending Angle to noise and efficiency study.
youdao
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通过实验研究离心风机蜗壳扩张角对风机噪声及效率的影响。
By experiment, for the effect of fan expending Angle to noise and efficiency study.
youdao