Realize the function of eight of flowing water light, first from left to right, each only light a led two lights, and then from right to left, reciprocating cycle.
实现八个流水灯的功能，首先先从左到右，每次只亮一个发光二极光，然后再从右到左，往复循环。
A reciprocating piston, the inhalation and from a liquid, known as a working cycle; this pump known as the single-action pump.
活塞往复一次，各吸入和排出一次液体，称为一个工作循环；这种泵称为单动泵。
Mud pump Classification mud sub-single-effect and two types of double acting, single acting mud pump piston reciprocating in a cycle of action only to complete a suction drain.
泥浆泵分类泥浆泵分单作用及双作用两种型式﹐单作用式泥浆泵在活塞往复活动的一个循环中仅完成一次吸排水行动。
If all goes well, the mediator in essence has started a virtuous cycle of "giving face" and reciprocating favours.
如果一切顺利，调解人实质上便启动了一轮“给面子”带来当事人彼此示好而让步的良性循环。
If all goes well, the mediator in essence has started a virtuous cycle of "giving face" and reciprocating favours.
如果一切顺利，调解人实质上便启动了一轮“给面子”带来当事人彼此示好而让步的良性循环。
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