The armor plate of his car was split open.

他的汽车的钢板被撞开了一道隙缝。

youdao

A piece of armor plate below the breastplate.

胸甲下边的一块盔甲。

youdao

I found out later an armor plate protects his back.

后来我又发现在他背上有一块用于保护他的装甲板。

youdao

Male body armor poses problems well beyond fashion sense for the 14 percent of the Army that consists of female soldiers the male body armor's broad shoulders restrict their arm movements and the front armor plate's length cuts into leg circulation when they sit.

MSN: US Army tests body armor for female soldiers

Yes, it costs a lot of money to armor-plate software, as Microsoft discovers with each new version of Windows.

FORBES: The Next Threat

They could have been using that money to armor-plate our trucks.

NPR: The Trucker's War: On the Road in Iraq