1.
A current that flows in an opposite direction to the flow of another current.
逆流，反向电流；逆电流与另一水流或电流的流向相反的水流或电流
2.
A current flowing across another current.
交叉水流流向与另一水流交叉的水流
3.
Steam trap flow direction in accordance with that of the pipe line.
疏水阀的流向要与管路流向一致。
4.
The trend of most rivers in our country is from west to east.
我国河流的流向大多是由西向东。
5.
By AC it is meant that the current is flowing first in one direction and then back again.
交流电是指电流先流向一个方向，然后反方向流动。
6.
STUDY ON THE HYDRODYNAMIC PROPERTIES IN A COCURRENT THREE PHASE FLUIDIZED BED
气液并流向上三相流化床流体流动性质的研究
7.
bidirectional flow
双向流动, 双向流(程)
8.
To drift diagonally or sideways.
斜向飘流，横向飘流
9.
Direct current flows in one direction only. Alternating current flows first in one direction and then in the other.
直流电流仅向一个方向流动,而交流电流则先向一个方阿流动,继而又向另一个方向流动
10.
(of water)flow in the specified direction
（指水）（向某方向）流动
11.
horizontal and vertical occupational mobility
横向和纵向职业流动
12.
In the direction of a stream's current.
顺流的顺着溪流的方向
13.
reverse gate current
逆门极电流反向栅电流
14.
flow straightener
导流板,流体导向叶片
15.
horizontal social mobility
横向社会流动 横向社会流动
16.
To reverse the direction of(an alternating electric current)each half - cycle to produce a unidirectional current.
变换电流方向颠倒每一半周（交流电流的）方向，以产生单方向性电流
17.
An inward flow or current, as of air.
向内的流体一股向内的气流或水流，如空气
18.
The current flowing in one direction is called direct current .
沿着一个方向流动的电流叫做直流电。