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.These lasers usually employ chemical combustion to energize d...
He was able to pinpoint on the map the site of the medieval village.他能在地图上准确找出那个中世纪村庄的位置。There is only a pinpoint of light in the cave.山洞中只能见到一丝光线.These missles can be fired with pinpoint accuracy.这些导弹可精确地命中目标....