13.下列何種機器不屬於流體機械？
(A)鼓風機(blower)
(B)水輪機(water turbine)
(C)齒輪減速機(gear reducer)
(D)空壓機(air compressor)

答案：登入後查看
統計： A(0), B(0), C(1), D(1), E(0) #2233981