相关考题
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单项选择题
----How answers? -----()(舵很灵) !
A. No steerage
B. Answers back
C. Answers all right
D. No answer -
单项选择题
How answers? -----()(舵反转) !
A. No steerage
B. Answers back
C. Answers all right
D. No answer -
单项选择题
This is a ()(罗兰).
A. compass
B. direction finder
C. loran
D. sextant
