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- stationary derrick crane 固定式桅杆起重机
- Discussion is made on the installation process and method of the placement technique for CO2 regenerated tower with double derrick crane method. 用双抱杆抬吊就位技术对CO2再生塔的安装方法及过程进行了论述。
- The vessel is fitted with lifting appliances/ derrick cranes. 此船裝置有起重設備/人字吊機。
- Finite element analysis of large tonnage derrick crane 大吨位桅杆起重机有限元应用研究
- Testing and measuring of the stress on derrick crane 动臂桅杆起吊应力的试验测试
- The ginpole is the simplest form of derrick. 起重吊杆是一种最简单的起重机。
- Have all brakes and locking devices on the crane or derrick set when the occupied personnel platform is in a stationary working position. 使用中的（有人的）载人平台处于静止工作状态时，拉好所有制动和锁定装置。
- Stand clear of the swinging boom of the crane. 不要走近转动的超重机吊杆。
- To raise or lower(the boom of a crane or derrick. 升降使起重机的吊臂上升或下降
- A stationary target is easiest to aim at. 静止的目标是最容易瞄准的。
- To raise or lower(the boom of a crane or derrick). 升降使起重机的吊臂上升或下降
- From every window head is crane for a view of it. 每一个窗口都有人探出头来看。
- Specification for power-driven derrick cranes 动力驱动的桅杆起重机规范
- He crane his neck to get a glimpse of the parade. 他伸长脖子看了看游行的队伍。
- stationary derrick 固定起重机
- The driver slewed the crane round. 司机把吊车转了过来。
- 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。
- A grey crane flew onto the tree. 一只灰鹤飞到树上。
- Installation Method for Main Span and Design of Derrick Crane for Rama 8 Cable Stay Bridge in Thailand 泰国RAMA8斜拉桥主跨安装及桥面吊机研制
- Every ship's derrick (other than a derrick crane) shall be clearlymarked with the safe work ing loads applying when the derrick is used 每个船舶吊杆式起货设备（旋臂式起重机除外）应清楚地标注适用于吊杆式起货设备在下述情况下使用的安全工作载荷：
