a derrick

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  • un.A型构架转臂起重机
  • WebA型转臂起重机
un.
1.
A型构架转臂起重机

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard