derrick
柯林斯詞典
1. N-COUNT A derrick is a machine that is used to move cargo on a ship by lifting it in the air. 起重機(jī)
2. N-COUNT A derrick is a tower built over an oil well which is used to raise and lower the drill. 油井塔
返回 derrick
1. N-COUNT A derrick is a machine that is used to move cargo on a ship by lifting it in the air. 起重機(jī)
2. N-COUNT A derrick is a tower built over an oil well which is used to raise and lower the drill. 油井塔