MAN-B&W-S-MC/MCE主机操纵系统中,喷油定时自动调节机构的主要设计目的是()。
A.降低油耗
B.改善燃烧质量
C.爆压与喷油量成比例
D.稳定爆压
参考答案:A
How long does it _______ your brother _______ there? [ ]
A. spend, getting to
B. take, to get
C. cost, for arriving to
D. take, arriving
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