We will focus on their practical training in local communities, in work on the frontline, and in areas where conditions are harsh, and work to produce a constant stream of outstanding young officials who have passed the test of practice.
A.
We will focus on their practical training in local communities.
B.
We will focus on their practical training, and work to produce a constant stream of outstanding young officials.
C.
We will focus on their practical training .
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【判断题】层流的沿程水头损失可用公式 h f = λ ·( l / d )· v 2 /2 g 计算,所以层流的沿程水头损失与平均流速的平方成正比。