open ammunition space

• 露天弹药库

open ammunition space的用法和样例：

例句

1. The ammunition depot is heavily guarded.
   弹药库戒备森严。
2. The fort was divided into three layers and an ammunition house and a barrack were set under the ground.
   炮台上下分三层，地下建有弹药库和兵舍。