maximum span

• 极限档距,最大翼展

maximum span的用法和样例：

例句

1. The pilot first set the span dial to the known wingspan of his prospective target, then the range dial to the maximum for accurate fire.
   飞行员首先把宽度转盘设置到他预期的目标的的翼展宽度，然后距离转盘到精确开火的最大值。