“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	soliciting subscriptions on exclusive sale basis soliciting subscriptions with sample copies solicit subscription solid solid acid solid acid alkylation solid-acid catalyst solid acids solid acids and acid catalyzed reactions solid adsorbent for hydrogen sulfide solid adsorbent for nitrogen oxide solid adsorbent for sulfur dioxide solid alcohol solid analytic geometry solid angle solid annulus solid anode tube Solidarity solidarity solid base solid bases solid bases and base catalyzed reactions solid basice catalyst solid body solid-body car

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