问题
问答题 简答题
GK型三通阀和K型三通阀的主要不同点是什么?
答案
参考答案:
①紧急部增加了紧急活塞座,紧急活塞垫,外弹簧和外弹簧托板;4个配件。
②主活塞套增设一条副充风沟。
③改变了滑阀和滑阀座以及紧急部的某些尺寸。
④为了解决空、重车要求制动力不同而设有空车和重车调整装置。
GK型三通阀和K型三通阀的主要不同点是什么?
参考答案:
①紧急部增加了紧急活塞座,紧急活塞垫,外弹簧和外弹簧托板;4个配件。
②主活塞套增设一条副充风沟。
③改变了滑阀和滑阀座以及紧急部的某些尺寸。
④为了解决空、重车要求制动力不同而设有空车和重车调整装置。
选择所给词或短语并用其正确形式填空
...but I’m pretty healthy. I __小题1:__ every day, usually when I come home from school. My eating habits are pretty good. I try to eat a lot of vegetables. I eat fruit and drink milk every day. I never drink _小题2:____.Of course, I love junk food too, and I eat it two or three times a week. Oh, and I _小题3:___ nine hours every night. So you see, I look after my health.And my _小题4:__ lifestyle helps me get good grades. Good food and exercise help me to study _小题5:____. |