紧急情况下,手动在机房盘车操作轿厢,如果向上移动额定载荷的轿厢,所需力应不超过(). 发布时间:2017-02-17 20:53 │ 来源:www.tikuol.com 题型:单项选择题 问题: 紧急情况下,手动在机房盘车操作轿厢,如果向上移动额定载荷的轿厢,所需力应不超过().A.150NB.300NC.400ND.无需要
题型:单项选择题 Congratulations! It seemed that our boss was __________ with your work today.[ ]A. dishonest B. confusedC. satisfied D. disturbed 查看答案