&fr=ala&ori_query=f%EF%BF%BD%EF%BF%BD%18%170%EF%BF%BD%EF%BF%BD&ala=0&alatpl=sp&pos=1#pn=1&spn=0&di=191757756520&adpicid=0&pi=&objurl=http%3A%2F%2Fphotocdn.sohu.com%2F20150313%2FImg409754601.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3F65ss_z%26e3Bf5i7_z%26e3Bv54AzdH3Fda8can8nAzdH3Fg9al0c9cln_z%26e3Bfip4s&W=940&H=666&S=34&TP=jpg
很明显,螺旋桨舵已经陷入淤泥了。何来船尾底朝天一说?