derrick post
[新英汉石油技术词典]
derrick post吊杆柱,起重架柱
是什么意思,derrick post的解释,derrick post的翻译
[农牧林英汉词典] derrick post
[海运英汉词典] derrick post
[石油英汉词典] derrick post
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[船舶英汉词典] derrick post
[船舶工程英汉词典] derrick post
[进出口英汉词典] derrick post
derrick post
[新英汉石油技术词典]
derrick post是什么意思,derrick post的解释,derrick post的翻译
[农牧林英汉词典] derrick post
[海运英汉词典] derrick post
[石油英汉词典] derrick post
[航海英汉词典] derrick post
[船舶英汉词典] derrick post
[船舶工程英汉词典] derrick post
[进出口英汉词典] derrick post