英语词汇“portable derrick”的翻译、意思、用法、释义-英汉汉英词典

单词	portable derrick
释义	portable derrick轻便井架portable derrick輕便井架礦冶工程名詞
随便看	task manager task master task-master taskmaster taskmasters task memorandum task memorandum，tm task memory pool task memory requirement task menu task message receiver routine taskmistress task mix task model task name task number task number，tn tasko task object task option task option word task option word inquiry system task organization task orientation task-oriented