英语词汇“derrick boom rest”的读音、翻译、释义、用法及例句-开邑网

词汇	derrick boom rest
释义	derrick boom restderrick boom rest1.■吊杆托架
随便看	cog free wheel coggea cogged cogged bit cogged bloom cogged flywheel cogged ingot cogged joint cogged rail cogged V-belt Coggeshall cogging cogging caulking cogging down cogging-down pass cogging-down roll cogging effect cogging engine cogging hammer cogging joint cogging mill cogging roll cogging shears coggle cogitable

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