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A．boring

B．interesting

C．difficult

船舶排水量为D＝15000t，水中锚重＝3.35t，水深10m，出链长度1节入水时，抓力/水中锚重＝1.6，船舶在港内余速为3kn时拖双锚的拖锚淌航距离约为多少（）？

A.170m

B.150m

C.130m

D.110m