on-site support

• 就地支援

on-site support的用法和样例：

例句

1. Many of the upper hull batteries had to turn from ground support to AA fire.
   许多位于舰体上部的炮台不得不调转火力从对地支援变为对空射击。
2. Even so, the abiding problem of finding truly effective air-to-ground support below battlecruiser weight remained.
   即便如此，找到一种真正有效空对地支援巡洋舰作战的战机仍是当务之急。