derrick
Các nghĩa
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cần trục
A device that is used for lifting and moving large objects.
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giàn khoan
A framework that is constructed over a mine or oil well for the purpose of boring or lowering pipes.
Dạng khác
- derricks plural
cần trục
A device that is used for lifting and moving large objects.
giàn khoan
A framework that is constructed over a mine or oil well for the purpose of boring or lowering pipes.