The dissertation works on machinery house, fixed tie link and boom, which vibrate most severely on the container crane.
论文针对集装箱起重机振动现象较为严重的三处：机房、斜拉杆、前大梁进行了振动分析和抗振研究。
2
Identification of the teachers there are pieces of this pattern plans crane dressed in the Qing Dynasty officials in North Korea's "sub-up" link on the crane, a system that goods used by the officer.
有鉴定家将此件图案仙鹤图清代朝中官员身着之“补子”上仙鹤联系起来，认为系一品官所用。
3
Four-link portal crane using the best combination of optimized boom system, with horizontal small gap, amplitude stable, low power consumption.