The Army must rely upon artillery and mortars to do that.

陆军必须依赖火炮和迫击炮来做这些事情。

youdao

As a mobile, solid-state laser weapon system, HEL TD will be mounted on a tactical ground vehicle to counter rockets, artillery and mortars across the spectrum of conflict.

高能激光器技术演示样机是一种移动的固态激光武器系统，该系统将装载于战术地面车辆上实施火箭、火炮和迫击炮对抗。

youdao

The data will include the location of hostile rockets, mortars, and artillery.

该数据将包括敌方火箭、迫击炮和炮弹的位置。

youdao

An enormous amount of gunfire artillery, mortars and machine guns thundered over the city in a ceaseless cacophony that began at first light.

CNN: Capital has look of a battlefield

Grenade launchers, mortars and conventional artillery are cheaper, but more likely than a single explosive bullet to cause collateral damage.

ECONOMIST: Military technology

Pakistan fired artillery shells at Afghan forces, who responded with mortars and rocket-propelled grenades.

WSJ: Afghans Protest After Clash on Pakistani Border