问题
单项选择题
按GB5071-1996《液压电梯》规定，限速切断阀的动作速度应小于轿厢下行额定速度υd的倍，但不得大于（）（用米每秒）表示。
A、1.25；υd+0.3
B、1.25；υd+0.5
C、1.4；υd+0.5
D、1.5；υd+0.3
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
按GB5071-1996《液压电梯》规定，限速切断阀的动作速度应小于轿厢下行额定速度υd的倍，但不得大于（）（用米每秒）表示。
A、1.25；υd+0.3
B、1.25；υd+0.5
C、1.4；υd+0.5
D、1.5；υd+0.3
参考答案：D
Morning is extremely important, because it is the beginning of a day. How you choose to your morning can often be used to predict what kind of day you are going to have. each day with love and gratitude (感激). When you get up in the morning, think of what a great luck it is to be —to see, to hear, to love, to have something to look forward to. Happiness is simply the feeling of appreciating others. Realize that it’s not happiness that makes us grateful, but gratefulness that makes us happy. Don’t have pressure on each new morning. yourself from the things that you didn’t yesterday and made you down. Let yesterday go. Every morning is the start of a new day with new . Be willing to be a beginner every single morning.
|