阿摩線上測驗
2. The piston locates at _______ , the volume above piston is the cylinder volume.
(A) BDC
(B) TDC
(C) above scavenging port
(D) below scavenging port
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統計： A(110), B(43), C(5), D(10), E(0) #3833306
統計： A(110), B(43), C(5), D(10), E(0) #3833306
