derrick nghĩa là gì

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Ý nghĩa của derrick bằng tiếng Việt

0 an apparatus like a mechanical crane for lifting weights -- cần trục lớn
- The ship was unloaded, using the large derricks on the quay.
1 a tower-like structure that holds the drill over an oil well. -- giàn khoan

In modern times there is no above-ground trace left of these derricks.
Much of the landscape remains scarred with rusting oil derricks.
Cargo capacity was 150 tons, in a single forward hold that was served by two 34-foot derricks that could lift four tons of cargo.
Collapsable crane derricks were fitted to access the cargo space.
Numerous wooden oil derricks were built on the beach, and on piers stretching into the ocean.
Oil derricks sprouted on the hilltop within easy view of the harbor, on narrow town lots intended originally for houses.
Their cargo-handling gear comprised six derricks, two of 35t and four of 25t.
Steam derricks and snagboats continued to be used until the 1960s and a few survivors soldiered on.