1.
electric overhead travelling grab crane
桥式电动抓斗起重机
2.
double-beam bridge type grab crane
双架桥式抓斗起重机
3.
Technical Reconstruction for the Main Beam of 20t Grab Crane in One Plant;
某厂20吨抓斗起重机主梁的技术改造
4.
Study and Implementation for Control System of the Straw Grab Grane
秸秆捆抓斗起重机控制系统研究与实现
5.
On auto-weighing system for grab crane
抓斗起重机自动称量系统的研究与改造
6.
Safety alarm system design for diaphragm-wall grab based on CAN bus
基于CAN总线的连续墙抓斗起重机安全报警系统设计
7.
Stress calculation and finite element analysis of cat head like masthead of diaphragm wall grab crane
连续墙抓斗起重机猫头架结构应力计算与有限元分析
8.
Closed mechanical grabs for dredging shall be maintained to avoid spillage and shall seal tightly while being lifted.
应使用密封式机械抓斗，以免物料溅溢，并于提起时保持抓斗密封。
9.
The newly developed electirc cylindroconical gear rotation device can achieve this.
我们研制的与起重机配套的电动圆锥齿轮旋转装置可实现抓斗的旋转运动。
10.
He seized his hat and gathered his cloak about him
他抓起帽子，披上斗篷。
11.
ship unloader with rope trolley
绳索小车抓斗卸船机
12.
hoist (excl. skip hoists)
起重机（不包括料斗提升机）
13.
Powerful cranes raised it, and held it suspended over the mouth of the cylinder.
几架强大的起重机抓起它，把它悬在铁井的上空。
14.
Grasping Opportunity and Making Persistent Efforts to Comprehensively Complete the Second Turn Key Harnessment Tasks
抓住时机 再接再厉 为全面完成第二期重点治理任务而奋斗
15.
The aim of the derrick latched onto the cotton bales and lifted them into the hold.
起重机吊臂抓住棉花包，把它们吊进货舱。
16.
Effect of Take-off Weight in Fighter Fatigue Life Monitoring
战斗机单机寿命监控中起飞重量的影响
17.
Research on the Grab Open-closed Problem and Steel Wire Vibration of Four-Drum Grab Unloader;
四卷筒抓斗卸船机抓斗开闭及悬垂钢丝绳跳动研究
18.
Research to Electric Control System of Bridge-Type Grab Ship Unloader;
桥式抓斗卸船机电气控制系统的研究