“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	Wasfati Hoyhoy wash washboard potential wash bottle washer washerwoman-like change Wash Hands Near the Water washing washing and screening Washing Inkstone by the Spring washing room sewage washing, screening and bleaching process control system washing soda washing thickener Washington Conference Washington consensus Washington, D.C. Washington Irving Washington National Gallery Washington's Farewell Address Washington Square Players Washington State washing, ventilating, decompressing instruments and devices Washixia River Washpool National Park

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