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(89), B(38), C(4), D(7), E(0) #3833306
統計： A(89), B(38), C(4), D(7), E(0) #3833306
