某汽油喷射式汽车在高速行驶时常出现失速现象,以下哪项正确?()
A、汽油滤清器的流动阻力过大
B、汽油输送管路破裂
C、回油管漏油
D、以上都正确
参考答案:A
-What made you so delighted at Christmas?
-__________.
A.I received many more presents than others
B.Because my parents promised me a new car
C.My uncle’s coming back from abroad
D.As there was an unusual celebration
横腹杆式预应力钢筋混凝土支柱翼缘破损和局部露筋超过()根的,应及时更换。