10 印刷電路板(PCB)產業雖有部分公司會有電路板線路設計、PCB 製造、組裝(Assembly)等服務，但 大多數公司的產業屬性為下列哪一種？
(A)ODM (Original Design Manufacturing )
(B)OEM (Original Equipment Manufacturing)
(C)IDM (Integrated Device Manufacturers)
(D)EMS ( Electronics Manufacturing Service)

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統計： A(12), B(129), C(11), D(35), E(0) #2443683