Sonic cleaning gives priority to other mode of cleaning(eg. reverse gas, mechanism flapping)and minors in sonic cleaning in order that the dust can be easily wiped out from the filter bag.

声波助清灰是以声波清灰为辅，其它清灰方式（如反吹、振打等）为主，使粉尘易于清除的技术。

youdao

If p2, the pressure in p2, is less than the pressure in p1, is the gas going to want to go from p2 to p1 and the whole thing reverse back?

比p1中的压强小,在整个逆向过程中气体,会从p2到p1中去吗？

youdao

But unless we reverse the steady increase in greenhouse-gas emissions, over the long term, the world's temperature is going in one direction: up.

但是我们只要不能停止不断增加的温室气体排放，长期以后，世界在这地区的温度一定会下降。

youdao

If p2, the pressure in p2, is less than the pressure in p1, is the gas going to want to go from p2 to p1 and the whole thing reverse back?

比p1中的压强小,在整个逆向过程中气体,会从p2到p1中去吗？

麻省理工公开课 - 热力学与动力学课程节选

p2 p1 is greater than p2. Then I want to reverse direction of time. I want the arrow of time to go so that the gas goes from p2 to p1.

一直推，一直推，p1大于,接下来我想让时间倒流,让气体从p2到p1。p2比p1小。

麻省理工公开课 - 热力学与动力学课程节选

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Since this falls short of returning the industry to state ownership, the vote is being seen as something of a victory for foreign investors and a defeat for those who want to reverse the privatisation of the oil and gas industry, which took place in the 1990s.

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