The optimizing design for the equalizing system ensured cargo to move horizontally in luffing process , the design method of balancing system achieved ideally effect 補(bǔ)償系統(tǒng)的優(yōu)化設(shè)計(jì)保證了貨物在變幅過程中優(yōu)良的水平位移性能,對(duì)自重平衡系統(tǒng)的設(shè)計(jì)方法和準(zhǔn)則可使系統(tǒng)獲得理想的平衡效果。