阿摩線上測驗
13. Scavenging air enters the cylinders of the diesel engine, via air flaps, through the
scavenging ports when the pistons are nearly at their ____________ position.
(A) Top dead center (TDC)
(B) bottom dead center (BDC)
(C) mid-way stroke
(D) ignition time
答案：登入後查看
統計： A(214), B(525), C(31), D(9), E(0) #1767663
統計： A(214), B(525), C(31), D(9), E(0) #1767663
