derrick boom_新英汉石油技术词典
derrick boom
[新英汉石油技术词典]
derrick boom起货吊杆
是什么意思，derrick boom的解释，derrick boom的翻译
[海运英汉词典] derrick boom
[石油英汉词典] derrick boom
[航海英汉词典] derrick boom
[船舶英汉词典] derrick boom
[船舶工程英汉词典] derrick boom
[进出口英汉词典] derrick boom
