swash[sw??]platen.倾斜盘gearbox [?g??b?ks]n.变速箱;齿轮箱;变速器collectivepitch[k??lektivpit?]n.总距rod[r?d]n.杆，拉杆cyclicpitch[?sa?kl?kpit?]n.周期桨距bearing [?be?r??]n.轴承NewWordsEachrotorbladeisconnectedtothehubandrotatingmastbyaf