bar crane

基本解释

Normally, loader crane dealers custom-fit a frame of steel bar on top of a truck chassis to mount the crane.
通常，装载起重机经销商随俗地在卡车底盘顶部设置铁杆梯架登上起重机。
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The effect of restriction improvement on the resonant velocity of wind of the round-section bar in quayside container crane;
减小和防止集装箱及吊具的摇摆是提高岸边集装箱起重机（以下简称岸桥）装卸效率的一个重要环节。
On these cranes, the hydraulic rams that extend to raise up the crane do not push on the boom, but instead on a pivoting link-bar.
这些起重机，液压冲力并不是作用于吊杆上，而是作用于一个铰链连接杆。
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