34.如下圖所示之安全系統,屬於下列那一項?
(A)Pin-Index Safety System(PISS),用於小型氣瓶(cylinder)
(B)Pin-Index Safety System(PISS),用於大型氣瓶(cylinder)
(C)Diameter-Index Safety System(DISS),用於小型氣瓶(cylinder)
(D)Diameter-Index Safety System(DISS),用於大型氣瓶(cylinder)
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統計: A(72), B(7), C(13), D(10), E(0) #1057229
統計: A(72), B(7), C(13), D(10), E(0) #1057229