There are no footprints, no type tracks and no heavy machinery like a bulldozer…Nothing was ever brought in to move these heavy rocks.

没有脚印，没有履带，也没有推土机之类的重型机械……没有任何东西被带来用以搬过这些重石头。

youdao

There are plenty of places around the globe where people have no access to heavy machinery but do know how to deal with wind, sailing and basic mechanical principles.

在世界上有很多地方，人们都无法使用重型机械，但却知道如何处理风力、航行和基本的机械原理。

youdao

The rumbling of heavy machinery started.

重型机械开始轰鸣。

youdao

The project leader says some of the birds place pieces of wood on heavy machinery like bulldozers.

VOA: special.2009.10.06

"It will for a long time, at least while I am alive. And it is not just trucks and heavy machinery.

VOA: standard.2009.09.02

But Paul Woods says that idea is limited by the batteries used to store energy and that there is no battery currently available that can power long-haul trucks or heavy machinery.

VOA: standard.2009.09.02

Later, the army, which now is coordinating efforts, moved in with bulldozers and other heavy machinery.

WSJ: Survivor Rescued in Bangladesh Rubble

Heavy machinery and bailiffs wait outside to move on to the site once it is safe.

BBC: Dale Farm eviction: Police in control snatch suspects

Residents reported to police that heavy machinery, including diggers and road rollers, had moved on the site.

BBC: Warwick council in High Court bid over travellers' site