power crane operator 电力起重机操作员
hand power crane 手力起重机
turn on power to crane 开启起重机的动力电源 ; 开启吊车的动力电源
power crane opernext toor 电力起重机操作员
hand-power single beam crane 手动单梁起重机
power station gantry crane 电站门式起重机 ; [机] 水电站门式起重机
hand-power monorail hang crane 手动单轨悬挂起重机
hand power track crane 手力移动式起重机
These compositions of Hybrid power crane system are diesel generator sets, super capacitors, bi-directional DC-DC converter and work drive motor.
本文设计的混合动力起重机系统主要由柴油发电机组、超级电容器、双向DC-DC变换器和工作电机构成。
In order to improve the power of function of metallurgy stock crane, the system of transducer drive based SIEMENS PLC was given in this paper.
为了提高冶金原料吊车的运行能力，本文给出了基于西门子PLC的变频器驱动系统。
Cleaning system: cleaning pump with great power can clean the concrete piping of crane and hopper swiftly and conveniently.
清洗系统：大功率清洗水泵，能迅速、方便地对臂架砼配管及料斗进行清洗。
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