桅杆式起重机

桅杆式起重机主体金属塔架的结构优化

Structural Optimum of Main Tower - Frame of Mast Crane

桅杆的竖立，是使用桅杆式起重机吊装大型设备的重要前提和准备。

The erecting of the mast is an important principle and preparation for lifting the huge equipment by mast crane .

固定支架桅杆式起重机EVAP罐固定螺帽（罐到固定支架）

EVAP Canister Mounting Nuts ( canister-to-mounting bracket )

半环槽外固定器治疗先天性胫骨假关节固定支架桅杆式起重机

Half-ring sulcated external fixator treat congenital pseudarthrosis of the tibia

固定支架桅杆式起重机双腭弓在固定正畸中加强支抗的应用

Reinforcement of the anchorage by the double transpalatal arch in the fixed orthodontic appliance

WD120型桅杆式起重机

Model WD 120 Derrick Crane

实践证明：该吊装方案设计实施与桅杆式起重机和厂房实腹梁配卷扬机及吊具吊装等两种方法相比，有明显优势。是经济、高效吊装设计。

The practice shows the hoisting project has obvious advantage than other ones and it is economic and efficient .

以桅杆式起重机主体金属结构的结构优化问题为例，利用动态规划法讨论了中、大柔度格构金属塔架的结构优化问题。

Taking the Structural optimum of main metal frame of mast - crane as a sample , this paper discussed the method of Structural optimization of common middle & high flexibility metal tower - frame by dynamic programming .

桅杆式起重机整体安装技术是建设部提出的建筑业重点推广应用的十项新技术之一，在建筑工程领域应用广泛。

The integrated installation technique of mast-crane , as a wide used installation technique in the civil engineer filed , is one of the ten latest technologies of extended and applied emphatically in civil engineer put forward by the Ministry of Construction .