阿摩線上測驗
9. Shackles are used for measuring the length of anchor chain, what is the length of one
shackle?
(A) 25 meters.
(B) 27.5 meters.
(C) 30 meters.
(D) 36 meters.
答案：登入後查看
統計： A(35), B(600), C(46), D(22), E(0) #3077016
統計： A(35), B(600), C(46), D(22), E(0) #3077016
