月牙板机构的用途是什么?
参考答案:
是将曲轴的运动,回馈给汽阀。指挥汽阀运动;将曲轴对汽阀的指挥进行修正控制汽阀的运动。
谵妄属于下列哪种障碍()。
A.思维障碍
B.行为障碍
C.记忆障碍
D.意识障碍
E.情感障碍
Our teacher punished Tom for his being late for school last month. ______, Tom gets up early every day and is never late again.
A. Now and then
B.From then on
C.Till then
D.Just then