作图题:绘制分配阀副阀座上的气孔布置图。
参考答案:
2——列车管
14——作用风缸
23——工作风缸
26——将压风缸
局减——局减室
She said that she would do _______ she could __________ her daughter laugh.
A.what, make
B.that, make
C.what, to make
D.that, to make
一桶油,连桶重200千克,用去一半油后,连桶还有120千克,问油______千克,桶______千克.