Firstly, its a unit activated ability so you can/t just stick them in a Hammerhead and rain EMP Grenades from the sky, so you will have to have the Grenadier out of any garrison to use the ability.

• 首先，这是一个主动激活技能，因此你不能简单的让它们搭载在锤头里然后妄图让它们在天上自动投掷EMP榴弹，你必须让榴弹兵走出建筑/载具进而使用能力。