The additional frictional pressure drop for vertical tubes due to its connection with the bend was accounted into the frictional component due to return flow.
回弯压力降除考虑回弯头的局部阻力外，还包括相连直管段受回弯影响而增加的压力降。
I would also watch the bamboo trees bend under pressure from the wind and watch them return gracefully to their original position after the wind had died down.
还可以看到竹林在大风中弯下腰来，又看着它们在风停后，优雅地归回原位。
According to the technological characteristics of the processing of the return bend machine, the application of schneider PLC in the control of the return bend machine is presented with an (example).
根据弯管机加工的工艺特点，实例介绍施耐德可编程控制器在弯管机控制中的应用。
According to the technological characteristics of the processing of the return bend machine, the application of schneider PLC in the control of the return bend machine is presented with an (example).
根据弯管机加工的工艺特点，实例介绍施耐德可编程控制器在弯管机控制中的应用。
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