Relationship and control of axis sealing and internal pressure directly affects deformation process in tube hydroforming. 圆管液压成形过程中的轴向密封力与内压力的关系及控制直接影响到圆管的成形状态.
He ordered them to stack up pillows behind his back.他命令他们把几个枕头叠放在自己的背后。...a stack of second-hand books.一摞旧书In some cases residuals from these arrivals will stack up to give nearly horizontal alignments.在某些情况下,这些波至的残余会叠加在...
to let off a few fireworks放几个烟火This train stops to let off passengers on signal.这列火车按信号停车让旅客下车.They let off their guns at the British ships.他们对英国船舶开炮....
They were caught in a clinch when their parents returned home unexpectedly.父母突然回家，撞见他俩拥抱在一起。The two lovers were locked in a clinch.那对恋人紧紧拥抱着.It can work in conjunction with sales and promotional activities to clinch a de...