阿摩線上測驗
12. The _______ system consists of the components necessary to transmit the power of prime
mover into thrust horsepower for propeller.
(A) main bearing
(B) connecting rod
(C) propulsion shafting
(D) air cooling
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統計： A(144), B(86), C(643), D(82), E(0) #3003380
統計： A(144), B(86), C(643), D(82), E(0) #3003380
