derricks
英
['derɪks]
美
['derɪks]
- 井架
new
derricks的英文翻译是什么意思,词典释义与在线翻译:
英英释义
名词 derrick:
-
a framework erected over an oil well to allow drill tubes to be raised and lowered
-
a simple crane having lifting tackle slung from a boom