The stand is not strong enough for this heavy machine.

机器太重， 这个架子吃不住。

《新英汉大辞典》

It was very difficult to make a heavy machine fly. But they were able to make it fly.

使很重的机器飞起来是很困难的，但是他们终于使它飞了起来。

youdao

The guideway plays an important part in guiding and supporting for heavy machine tool.

对于重型数控机床，导轨起到至关重要的导向和支撑作用。

youdao

The Movement for the Emancipation of the Niger Delta (MEND) says armed with assault rifles and heavy machine guns raided an oil facility jointly operated by Royal Dutch Shell and Chevron in Rivers state.

VOA: standard.2009.12.21

Sounds of heavy and light machine gun fire rattled Maiduguri as Nigeria's army pounded suspected hideouts of the Islamic rebels in a bid to flush out remnants of the militant Boko Haram sect.

VOA: standard.2009.07.30

The Iraqis have fired some mortars in the direction of Chamchamal and some heavy machine-gun fire.

CNN: Kevin Sites: Kurds see bombing on northern Iraqi positions

We tried where possible to limit the list to handheld or easily portable objects, eliminating most heavy machine tools, like hydraulic jacks.

FORBES

As a heavy machine gunner, Monsoor had to stay behind the point man on foot patrols and protect the unit from attacks.

CNN: Navy SEAL paid ultimate price to save buddies