需要注意噪音（越小越好）和转速（一般越大越好），但这两个存在矛盾，我们选择转速尽量大的情况下，噪音尽量小，这两个不可兼得。. The results are referred to as transcending everyday cannabis encounters, presenting a profound uplift in temper and mental point out. Bodily Rest热管数量越多�