您要查找的是不是：
- telescopic hoist boom 伸缩式吊臂
- Finite Element Analysis on Telescopic Box Section Hoist Boom of a Truck Crane 汔车起重机箱形伸缩式吊臂的有限元分析
- The article introduces development course of hoist boom of wheel crane, talking about technique characteristics during each stage, and it also introduces the most advanced technique about hoist boom. 摘要论述了轮式起重机起重臂的发展历程，叙述了各阶段的技术特点，介绍了当前最先进的吊臂技术。
- Development course of hoist boom of wheel crane 轮式起重机起重臂的发展历程
- Cause Analysis to Hoist Boom Dropping Failure of a Crawler Crane 履带式起重机起重臂坠落原因分析
- Finite Element Analysis for Partial Buckling of Hoist Boom 起重臂局部屈曲的有限元分析
- Finite element calculation for adjustable box hoist boom and its optimal design 伸缩式箱形起重吊臂的有限元计算和优化设计
- Stand clear of the swinging boom of the crane. 不要走近转动的超重机吊杆。
- We need a hoist to lift the concrete blocks. 我们需要一台起重机来吊起混凝土块。
- He made his pile during the property boom. 在房地产生意兴隆期间他发了大财。
- The clock began to boom out twelve. 时钟开始敲十二点。
- The long boom of the crane functions like our arms. 起重机的长臂与我们的手臂功能相同。
- telescopic hoist 伸缩吊
- Profit multiply in the boom year. 兴旺之年利润增长。
- The boom of the airplane was damaged. 飞机的尾桁受到损害。
- We heard a hollow boom of thunder. 我们听到低沈的隆隆雷声。
- The economic boom tapered off in the 1970s. 经济繁荣在七十年代慢慢消失了。
- The city is having a building boom. 这个城市正在大兴土木。
- The oil market is enjoying a boom. 石油市场欣欣向荣。
- His telescopic observations are justly immortal. 他的望远镜观察结果当然是不朽的。
