“derrick crane”的概念、定义、翻译、参考文献-科学参考

单词	derrick crane
释义	derrick crane Encyclopedia 工学〔轻小型起重设备〕释 derrick crane桅杆起重机以桅杆为承载构件，臂架下端与桅杆下部铰接，上端通过钢丝绳与桅杆相连的简易臂架型起重机。俗称把杆、拔杆。
随便看	meteorology of tuber crops meteorology of vegetables meteorology of wheat meteorology radar meteorology theorem meteorotropic meteorotropism meteor patrol meteor patrol camera Meteor Radar Observation Meteor satellite meteor, shooting star meteor shower meteor spectrograph meteor station meteor storm meteor stream meteor survey meteor swarm meteor trail meteor trail communication meteor trail radar meteor train meteor trajectory METEOR评价指标

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