将大粒度的煤样分离出来，进一步破碎到规定程度的是筛分。
参考答案：对
I don't think looking after children is just ___________work. [ ]
A. woman
B. woman's
C. women
D. women's
试述汽车整车修竣后，对发动机气缸压力有何要求？
