According to the horizontal moving rule of bridge crane and the swing rule of grab, We propose a method about swing proof of grab.
根据桥式起重机水平运行规律及抓斗摆动规律，提出了抓斗防摆的一种方法。
The crane can rotate 360 degrees, which means it can move forward, left, right, after all more than 10 meters to grab and rotary lifting objects, without the aid of other auxiliary equipment.
而且这种起重机能实现360度旋转，这意味着它能向前、后、左、右各方位十几米处自行抓起并旋转起吊物，而不借助其他辅助设备。
With a grab of ordinary high-level gantry crane.
用抓斗的普通门式起重机工作级别较高。
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