derricks是什么意思 derricks在线中文翻译

derricks ['derɪks]

中文翻译
1
n. 起重机( derrick的名词复数 ); (油井的)井架
英语释义
1
n. a framework erected over an oil well to allow drill tubes to be raised and lowered
2
n. a simple crane having lifting tackle slung from a boom