邻线有快速列车、动车组通过时，站立地点离该运行线不得少于（）米安全位置，待列车通过后

如图所示的是我国选手在第24届世界大学生冬运会女子冰壶比赛中夺冠的一个场景。比赛时冰壶离开运动员的手以后能够向前运动是由于________的缘故。两名队员在冰壶前方用毛刷快速用力反复“刷冰”，通过_______的方式改变冰的内能，使表面的冰_______ （填物态变化名称）成薄薄的一层水，这样就能够减小冰壶与冰面之间的________，使冰壶按照运动员预计的运动快慢和方向运动。

改错

     I have just got some good news to tell to you. I win a national prize for painting last

week. My father was so pleasing that he suggested I went to England for a holiday. I'd like to

staying there for half a month, visiting place of interest or practicing my English as well.

We've been often writing to each for a year and a half now. I have often dreamed of talk face

to face with you. I imagine you'll be at vacation yourself by that time. Perhaps we could

go out to do some sightseeing together.

____________________________________________________________________

按褶曲的________，把褶曲划分为直立褶曲、倾斜褶曲、倒转褶曲和平卧褶曲。

往复泵扬程高，可以输送比较污浊的液体。

斜巷调度绞车开车前检查试验有哪些内容？