“桅杆起重机”的概念、定义、翻译、参考文献-科学参考

单词	桅杆起重机
释义	桅杆起重机 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	Bredon theory of modules Bredt's rule bred variety of grass plant breech-loading gun breech-sight breeder breeder reactor breeding breeding by backcrossing breeding by cell engineering in aquatic animal breeding by crop DNA marker-assisted selection breeding by distant hybridization breeding by selection breeding cycle breeding factor breeding-fire breeding for forage quality breeding for nutrient efficiency breeding for resistance to disease and insect breeding for stress tolerance breeding gilt house breeding ground breeding material breeding nursery of forage plants breeding objectives for forage plants

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