manned level crossing

例句：

1. 1.The ship was manned by a crew of 20.
   这艘船由一个20人的船员队伍操作。
2. 2. The aircraft was equipped with advanced technology.
   这架飞机配备了先进的技术。
3. 3.The soldiers were outfitted in battle armor.
   士兵们穿着战斗装甲。