It is shown that the existence of centralscrew conveyer produces the contrary swirl flow under some of the swirl vane Angle condition.
研究表明：由于进料螺旋输送器的作用，在一定的导流叶片角条件下存在着双旋流流场。
2
The policies of the Fed and other central banks are why I continue to advocate that folks own the currency with no central bank to screw it up: gold.
美联储和其他央行的政策使得我一直在申明我的主张，即大家伙儿应该保有银行不能搞糟的通货：黄金。
3
Chongqing industrial park will production centrifugal units, screw units, air-cooled heat pump units consisting mainly of large central air conditioning.