An official said the warring factions have not yet turned in all their heavy weapons.

一位官员说交战方还未全部上缴重武器。

《柯林斯英汉双解大词典》

The Gaddafi fighters hitting back with heavy weapons.

卡扎菲的士兵用重武器回击。

youdao

So did their inability to use heavy weapons in counter-attacks.

不能在反击中使用重武器也起到推波助澜的作用。

youdao

The government promised last month to end its use of heavy weapons.

VOA: special.2009.05.16

(Talking) Wilson was a member of the Appropriations Committee in the U.S.House of Representatives, and used his position to help buy Afghan fighters weapons, including Stinger missiles, that inflicted heavy damage on Soviet gunships.

VOA: standard.2010.02.11

But the package falls short of the heavy weapons and high-tech equipment sought by the rebels.

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For instance, some heavy weapons have been withdrawn and some violence has receded, he said.

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They must turn over their medium and heavy weapons to security forces and tribal leaders, al-Maliki said.

CNN: Iraqi leader offers amnesty for turning in weapons