問題詳情
【題組】64. To balance a bigger turbine high on a flatting spar, a new type of turbine is to be designed with its gearbox sitting ____________.
(A) on the sea floor
(B) on the spar top
(C) at sea level
(D) behind the blades
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)