“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	matrix theorem matrix theory matrix trace matrix transformation matrix transpose matrix tree theorem matrix unit matrix-valued matrix-valued form matrix-valued function matrix variate matrix-variate distribution matrix Viète theorem matrix with no entries matrizant matrocliny matroid matroid intersection theorem matroid lattice matroid partition matroid stratification matroid structure matrone Matrosov matryoshka doll

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