This was before the steam locomotive, and canal building was at its height.

这些事情都发生在蒸汽火车出现之前，而且，运河修建在那时正处于繁荣时期。

youdao

The technological process for canal building with mechanized plastic filming was proposed and its key links and implementation scheme were indicated.

提出了机械化铺膜筑渠的工艺与技术路线，得到了铺膜筑渠的关键环节和实施方案。

youdao

Every schoolchild here learns the legend of "the great Yu," whose prodigious feats of canal building and drainage ditch digging 4,000 years ago put an end to killer floods on the Yellow River.

这里的每一个学龄儿童都知道大禹的传说，他的伟大功绩在于4000年前修筑了河渠和排水沟，终止了当时黄河洪水的泛滥。

youdao

For many years, people had dreamed of building a canal across Central America to link the Atlantic and Pacific Oceans.

VOA: special.2010.08.19

And he proposed building a canal in central America to link the Atlantic and Pacific oceans.

VOA: special.2010.08.05

He set up the Patowmack Company and started building the canal in seventeen eighty-five.

VOA: special.2011.04.29

If there is, it's unlikely to look like ET, canal-building aliens, or any other science fiction-type fantasy.

CNN: Three more homes for life in the universe?

Army units, meanwhile, took control of the main Suez Canal administration building, provincial government buildings, banks and courts in Port Said, Gen.

CNN: STORY HIGHLIGHTS

The agency responsible for building the canal and administering the Canal Zone, the Isthmian Canal Commission (ICC), had no alternative but to provide them with such American necessities as iceboxes and porcelain baths as well as such perks as home leave and houses with wide verandas.

ECONOMIST: American canal building