“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	ultra-fine grinding process ultra-fine mineral powder ultrafine particle UltraFlo filter medium UltraFlo 过滤材料 ultragraph ultragravity wave ultragroup ultraharmonic oscillation ultraharmonics ultra-heavy ultrahigh carbon steel ultra high definition television，UHDTV ultra-high-dimensional data ultra-high energy ultrahigh energy ultra-high energy cosmic ray ultrahigh energy cosmic ray ultra-high energy γ-rays Ultra High Frequence-Follow-On Satellite ultra-high frequency ultrahigh frequency ultra high frequency amplification ultra high frequency generation ultra high frequency generation and amplification

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