9.在典型蒸餾塔之流量控制迴路中，較少裝置何種儀表或元件？
(A)FE(Flowelement)
(B)FRC(Flowratecontrol)
(C)FY(Flowtransducer)
(D)FA(Flowalarm)

答案：登入後查看
統計： A(0), B(2), C(0), D(0), E(0) #3884283