14.船用空氣壓縮機,大多採用下列何種型式的閥作為其進、排氣閥?
(A)提動閥(Poppet valve)
(B)迴轉閥(Rotary valve)
(C) 簧片閥(Reed valve)
(D)滑動閥(Sliding valve)
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統計: A(0), B(3), C(37), D(5), E(0) #1212354
統計: A(0), B(3), C(37), D(5), E(0) #1212354