Illustration of derrick
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- derrick 2
单词 | derrick |
释义 | derricknoun der·rick ˈder-ik ˈde-rik 1 : a hoisting apparatus employing a tackle rigged at the end of a beam 2 : a framework or tower over a deep drill hole (as of an oil well) for supporting boring tackle or for hoisting and lowering |
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